1
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Zhang W, Li J, Yamamoto K, Goyama S. Modeling and therapeutic targeting of t(8;21) AML with/without TP53 deficiency. Int J Hematol 2024; 120:186-193. [PMID: 38702444 DOI: 10.1007/s12185-024-03783-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2024] [Revised: 04/17/2024] [Accepted: 04/23/2024] [Indexed: 05/06/2024]
Abstract
Acute myeloid leukemia (AML) with t(8;21)(q22;q22.1);RUNX1-ETO is one of the most common subtypes of AML. Although t(8;21) AML has been classified as favorable-risk, only about half of patients are cured with current therapies. Several genetic abnormalities, including TP53 mutations and deletions, negatively impact survival in t(8;21) AML. In this study, we established Cas9+ mouse models of t(8;21) AML with intact or deficient Tpr53 (a mouse homolog of TP53) using a retrovirus-mediated gene transfer and transplantation system. Trp53 deficiency accelerates the in vivo development of AML driven by RUNX1-ETO9a, a short isoform of RUNX1-ETO with strong leukemogenic potential. Trp53 deficiency also confers resistance to genetic depletion of RUNX1 and a TP53-activating drug in t(8;21) AML. However, Trp53-deficient t(8;21) AML cells were still sensitive to several drugs such as dexamethasone. Cas9+ RUNX1-ETO9a cells with/without Trp53 deficiency can produce AML in vivo, can be cultured in vitro for several weeks, and allow efficient gene depletion using the CRISPR/Cas9 system, providing useful tools to advance our understanding of t(8;21) AML.
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MESH Headings
- Leukemia, Myeloid, Acute/genetics
- Leukemia, Myeloid, Acute/therapy
- Leukemia, Myeloid, Acute/etiology
- Tumor Suppressor Protein p53/genetics
- Tumor Suppressor Protein p53/deficiency
- Animals
- Mice
- Chromosomes, Human, Pair 8/genetics
- Translocation, Genetic
- Chromosomes, Human, Pair 21/genetics
- Humans
- Disease Models, Animal
- Core Binding Factor Alpha 2 Subunit/genetics
- Core Binding Factor Alpha 2 Subunit/deficiency
- Oncogene Proteins, Fusion/genetics
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Affiliation(s)
- Wenyu Zhang
- Division of Molecular Oncology, Department of Computational Biology and Medical Sciences, Graduate School of Frontier Sciences, The University of Tokyo, 4-6-1 Shirokanedai, Minato-ku, Tokyo, 108-8639, Japan
| | - Jingmei Li
- Division of Molecular Oncology, Department of Computational Biology and Medical Sciences, Graduate School of Frontier Sciences, The University of Tokyo, 4-6-1 Shirokanedai, Minato-ku, Tokyo, 108-8639, Japan
| | - Keita Yamamoto
- Division of Molecular Oncology, Department of Computational Biology and Medical Sciences, Graduate School of Frontier Sciences, The University of Tokyo, 4-6-1 Shirokanedai, Minato-ku, Tokyo, 108-8639, Japan
| | - Susumu Goyama
- Division of Molecular Oncology, Department of Computational Biology and Medical Sciences, Graduate School of Frontier Sciences, The University of Tokyo, 4-6-1 Shirokanedai, Minato-ku, Tokyo, 108-8639, Japan.
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2
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Zhang Z, Yin J, Lian G, Bao X, Hu M, Liu Z, Yu Y, Mi R, Zuo Y, Shi P, Zheng W, Jiang Q, Chao H, Xiao P, Yu W, Han Y, Wu Y, Zeng Y, Wu D, Yang X, Chen S. A multicenter retrospective comparison between systemic mastocytosis with t(8;21) AML and KIT mutant t(8;21) AML. Blood Adv 2024; 8:889-894. [PMID: 38170739 PMCID: PMC10875270 DOI: 10.1182/bloodadvances.2023012006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Revised: 11/30/2023] [Accepted: 12/19/2023] [Indexed: 01/05/2024] Open
Affiliation(s)
- Zhibo Zhang
- National Clinical Research Center for Hematologic Diseases, Jiangsu Institute of Hematology, First Affiliated Hospital of Soochow University, Institute of Blood and Marrow Transplantation, Collaborative Innovation Center of Hematology, Soochow University, Suzhou, China
| | - Jia Yin
- National Clinical Research Center for Hematologic Diseases, Jiangsu Institute of Hematology, First Affiliated Hospital of Soochow University, Institute of Blood and Marrow Transplantation, Collaborative Innovation Center of Hematology, Soochow University, Suzhou, China
| | - Guoli Lian
- Department of Pediatrics, First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Xiebing Bao
- National Clinical Research Center for Hematologic Diseases, Jiangsu Institute of Hematology, First Affiliated Hospital of Soochow University, Institute of Blood and Marrow Transplantation, Collaborative Innovation Center of Hematology, Soochow University, Suzhou, China
| | - Meng Hu
- Department of Hematology, First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Zhenfang Liu
- Department of Hematology, First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Yuan Yu
- Department of Hematology, Qilu Hospital, Shandong University, Jinan, China
| | - Ruihua Mi
- Department of Hematology, Affiliated Cancer Hospital of Zhengzhou University, Zhengzhou, China
| | - Yabei Zuo
- Department of Hematology, Second Hospital of Hebei Medical University, Hebei Key Laboratory of Hematology, Shijiazhuang, China
| | - Pengcheng Shi
- Department of Hematology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Weiyan Zheng
- Bone Marrow Transplantation Center, First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Qian Jiang
- Peking University People's Hospital, Peking University Institute of Hematology, National Clinical Research Center for Hematologic Disease, Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Beijing, China
| | - Hongying Chao
- Department of Hematology, Affiliated Changzhou Second Hospital of Nanjing Medical University, Changzhou, China
| | - Peifang Xiao
- Department of Hematology, Children's Hospital of Soochow University, Suzhou, China
| | - Weijuan Yu
- Department of Hematology Laboratory, Yantai Yuhuangding Hospital, Yantai, China
| | - Yanqiu Han
- Department of Hematology, Affiliated Hospital of Inner Mongolia Medical University, Inner Mongolia, China
| | - Yu Wu
- Department of Hematology and Institute of Hematology, West China Hospital, Sichuan University, Chengdu, China
| | - Yan Zeng
- Department of Hematology, Chengdu Second People’s Hospital, Chengdu, China
| | - Depei Wu
- National Clinical Research Center for Hematologic Diseases, Jiangsu Institute of Hematology, First Affiliated Hospital of Soochow University, Institute of Blood and Marrow Transplantation, Collaborative Innovation Center of Hematology, Soochow University, Suzhou, China
| | - Xiaofei Yang
- National Clinical Research Center for Hematologic Diseases, Jiangsu Institute of Hematology, First Affiliated Hospital of Soochow University, Institute of Blood and Marrow Transplantation, Collaborative Innovation Center of Hematology, Soochow University, Suzhou, China
| | - Suning Chen
- National Clinical Research Center for Hematologic Diseases, Jiangsu Institute of Hematology, First Affiliated Hospital of Soochow University, Institute of Blood and Marrow Transplantation, Collaborative Innovation Center of Hematology, Soochow University, Suzhou, China
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3
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Jia X, Liao N, Yu S, Li H, Liu H, Zhang H, Xu J, Yao Y, He H, Yu G, Liu Q, Zhang Y, Shi P. Impact of measurable residual disease in combination with CD19 on postremission therapy choices for adult t(8;21) acute myeloid leukemia in first complete remission. Cancer Med 2024; 13:e7074. [PMID: 38457215 PMCID: PMC10922018 DOI: 10.1002/cam4.7074] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2023] [Revised: 02/08/2024] [Accepted: 02/20/2024] [Indexed: 03/09/2024] Open
Abstract
BACKGROUND The post-remission therapy (PRT) choices for adult t(8;21) acute myeloid leukemia (AML) in first complete remission (CR1) need to be further explored. AIMS We aimed to investigate the impact of measurable residual disease (MRD) combined with CD19 on PRT choices for adult t(8;21) AML in CR1. METHODS A total of 150 t(8;21) AML patients were enrolled, including 67 underwent chemotherapy (CMT) and 83 allogeneic hematopoietic stem cell transplantation (allo-SCT) as PRT in CR1. Subgroup analyses were performed according to MRD level after three cycles of chemotherapy combined with CD19 expression. RESULTS Multivariate analysis indicated MRDhigh after three courses of treatment (HR, 0.14 [95% CI, 0.03-0.66]; p = 0.013) and CD19 negativity (HR, 0.14 [95% CI, 0.02-0.96]; p = 0.045) were risk factors for relapse, while allo-SCT was protective factor for relapse (HR, 0.34 [95% CI, 0.15-0.75]; p = 0.008). Grouped by MRD after three courses of chemotherapy, allo-SCT had lower CIR (p < 0.001) and better OS (p = 0.003) than CMT for MRDhigh patients, CMT showed a higher CIR (35.99% vs. 15.34%, p = 0.100) but comparable OS (p = 0.588) than allo-SCT for MRDlow patients. Grouped by CD19 expression, allo-SCT demonstrated lower CIR (p < 0.001) and better OS (p = 0.002) than CMT for CD19- patients. CMT had a higher CIR (41.37% vs. 10.48%, p = 0.007) but comparable OS (p = 0.147) than allo-SCT for CD19+ patients. Grouped by MRD combined with CD19, MRDhigh /CD19+ subsets were identified out of CD19+ patients benefiting from allo-SCT with lower CIR (p = 0.002) and superior OS (p = 0.020) than CMT. CMT preserved comparable CIR (p = 0.939) and OS (p = 0.658) with allo-SCT for MRDlow /CD19+ patients. MRDlow /CD19- subsets were also identified from MRDlow patients requiring allo-SCT with lower CIR (p < 0.001) and superior OS (p = 0.008) than CMT. Allo-SCT maintained lower CIR (p < 0.001) and superior OS (p = 0.008) than CMT for MRDhigh /CD19- patients. CONCLUSIONS MRD combined with CD19 might optimize PRT choices for adult t(8;21) AML patients in CR1.
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Affiliation(s)
- Xi Jia
- Department of Hematology, Nanfang HospitalSouthern Medical UniversityGuangzhouChina
- Clinical Medical Research Center of Hematological Diseases of Guangdong ProvinceGuangzhouChina
| | - Naying Liao
- Department of Hematology, Nanfang HospitalSouthern Medical UniversityGuangzhouChina
- Clinical Medical Research Center of Hematological Diseases of Guangdong ProvinceGuangzhouChina
| | - Sijian Yu
- Department of Hematology, Nanfang HospitalSouthern Medical UniversityGuangzhouChina
- Clinical Medical Research Center of Hematological Diseases of Guangdong ProvinceGuangzhouChina
| | - Huan Li
- Department of Hematology, Nanfang HospitalSouthern Medical UniversityGuangzhouChina
- Clinical Medical Research Center of Hematological Diseases of Guangdong ProvinceGuangzhouChina
| | - Hui Liu
- Department of Hematology, Nanfang HospitalSouthern Medical UniversityGuangzhouChina
- Clinical Medical Research Center of Hematological Diseases of Guangdong ProvinceGuangzhouChina
| | - Haiyan Zhang
- Department of Hematology, Nanfang HospitalSouthern Medical UniversityGuangzhouChina
- Clinical Medical Research Center of Hematological Diseases of Guangdong ProvinceGuangzhouChina
| | - Jun Xu
- Department of Hematology, Nanfang HospitalSouthern Medical UniversityGuangzhouChina
- Clinical Medical Research Center of Hematological Diseases of Guangdong ProvinceGuangzhouChina
| | - Yunqian Yao
- Department of Hematology, Nanfang HospitalSouthern Medical UniversityGuangzhouChina
- Clinical Medical Research Center of Hematological Diseases of Guangdong ProvinceGuangzhouChina
| | - Han He
- Department of Hematology, Nanfang HospitalSouthern Medical UniversityGuangzhouChina
- Clinical Medical Research Center of Hematological Diseases of Guangdong ProvinceGuangzhouChina
| | - Guopan Yu
- Department of Hematology, Nanfang HospitalSouthern Medical UniversityGuangzhouChina
- Clinical Medical Research Center of Hematological Diseases of Guangdong ProvinceGuangzhouChina
| | - Qifa Liu
- Department of Hematology, Nanfang HospitalSouthern Medical UniversityGuangzhouChina
- Clinical Medical Research Center of Hematological Diseases of Guangdong ProvinceGuangzhouChina
| | - Yu Zhang
- Department of Hematology, Nanfang HospitalSouthern Medical UniversityGuangzhouChina
- Clinical Medical Research Center of Hematological Diseases of Guangdong ProvinceGuangzhouChina
| | - Pengcheng Shi
- Department of Hematology, Nanfang HospitalSouthern Medical UniversityGuangzhouChina
- Clinical Medical Research Center of Hematological Diseases of Guangdong ProvinceGuangzhouChina
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4
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Li Q, Guo H, Xu J, Li X, Wang D, Guo Y, Qing G, Van Vlierberghe P, Liu H. A helicase-independent role of DHX15 promotes MYC stability and acute leukemia cell survival. iScience 2024; 27:108571. [PMID: 38161423 PMCID: PMC10755364 DOI: 10.1016/j.isci.2023.108571] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2023] [Revised: 10/13/2023] [Accepted: 11/21/2023] [Indexed: 01/03/2024] Open
Abstract
DHX15 has been implicated in RNA splicing and ribosome biogenesis, primarily functioning as an RNA helicase. To systematically assess the cellular role of DHX15, we conducted proteomic analysis to investigate the landscape of DHX15 interactome, and identified MYC as a binding partner. DHX15 co-localizes with MYC in cells and directly interacts with MYC in vitro. Importantly, DHX15 contributes to MYC protein stability at the post-translational level and independent of its RNA binding capacity. Mechanistic investigation reveals that DHX15 interferes the interaction between MYC and FBXW7, thereby preventing MYC polyubiquitylation and proteasomal degradation. Consequently, the abrogation of DHX15 drastically inhibits MYC-mediated transcriptional output. While DHX15 depletion blocks T cell development and leukemia cell survival as we recently reported, overexpression of MYC significantly rescues the phenotypic defects. These findings shed light on the essential role of DHX15 in mammalian cells and suggest that maintaining sufficient MYC expression is a significant contributor to DHX15-mediated cellular functions.
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Affiliation(s)
- Qilong Li
- Department of Hematology, Zhongnan Hospital of Wuhan University, Wuhan University, Wuhan, Hubei 430071, China
- Frontier Science Center for Immunology and Metabolism, Medical Research Institute, Wuhan University, Wuhan, Hubei 430071, China
| | - Hao Guo
- Department of Hematology, The Affiliated Cancer Hospital of Zhengzhou University, Henan Cancer Hospital, Zhengzhou, Henan 450008, China
| | - Jin Xu
- Department of Hematology, Zhongnan Hospital of Wuhan University, Wuhan University, Wuhan, Hubei 430071, China
- Frontier Science Center for Immunology and Metabolism, Medical Research Institute, Wuhan University, Wuhan, Hubei 430071, China
| | - Xinlu Li
- Department of Hematology, Zhongnan Hospital of Wuhan University, Wuhan University, Wuhan, Hubei 430071, China
- Frontier Science Center for Immunology and Metabolism, Medical Research Institute, Wuhan University, Wuhan, Hubei 430071, China
| | - Donghai Wang
- Department of Hematology, Zhongnan Hospital of Wuhan University, Wuhan University, Wuhan, Hubei 430071, China
- Frontier Science Center for Immunology and Metabolism, Medical Research Institute, Wuhan University, Wuhan, Hubei 430071, China
| | - Ying Guo
- Department of Hematology, Zhongnan Hospital of Wuhan University, Wuhan University, Wuhan, Hubei 430071, China
- Frontier Science Center for Immunology and Metabolism, Medical Research Institute, Wuhan University, Wuhan, Hubei 430071, China
| | - Guoliang Qing
- Department of Hematology, Zhongnan Hospital of Wuhan University, Wuhan University, Wuhan, Hubei 430071, China
- Frontier Science Center for Immunology and Metabolism, Medical Research Institute, Wuhan University, Wuhan, Hubei 430071, China
| | | | - Hudan Liu
- Department of Hematology, Zhongnan Hospital of Wuhan University, Wuhan University, Wuhan, Hubei 430071, China
- Frontier Science Center for Immunology and Metabolism, Medical Research Institute, Wuhan University, Wuhan, Hubei 430071, China
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5
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Day RB, Hickman JA, Xu Z, Katerndahl CD, Ferraro F, Ramakrishnan SM, Erdmann-Gilmore P, Sprung RW, Mi Y, Townsend RR, Miller CA, Ley TJ. Proteogenomic analysis reveals cytoplasmic sequestration of RUNX1 by the acute myeloid leukemia-initiating CBFB::MYH11 oncofusion protein. J Clin Invest 2023; 134:e176311. [PMID: 38061017 PMCID: PMC10866659 DOI: 10.1172/jci176311] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2023] [Accepted: 12/06/2023] [Indexed: 02/16/2024] Open
Abstract
Several canonical translocations produce oncofusion genes that can initiate acute myeloid leukemia (AML). Although each translocation is associated with unique features, the mechanisms responsible remain unclear. While proteins interacting with each oncofusion are known to be relevant for how they act, these interactions have not yet been systematically defined. To address this issue in an unbiased fashion, we fused a promiscuous biotin ligase (TurboID) in-frame with 3 favorable-risk AML oncofusion cDNAs (PML::RARA, RUNX1::RUNX1T1, and CBFB::MYH11) and identified their interacting proteins in primary murine hematopoietic cells. The PML::RARA- and RUNX1::RUNX1T1-TurboID fusion proteins labeled common and unique nuclear repressor complexes, implying their nuclear localization. However, CBFB::MYH11-TurboID-interacting proteins were largely cytoplasmic, probably because of an interaction of the MYH11 domain with several cytoplasmic myosin-related proteins. Using a variety of methods, we showed that the CBFB domain of CBFB::MYH11 sequesters RUNX1 in cytoplasmic aggregates; these findings were confirmed in primary human AML cells. Paradoxically, CBFB::MYH11 expression was associated with increased RUNX1/2 expression, suggesting the presence of a sensor for reduced functional RUNX1 protein, and a feedback loop that may attempt to compensate by increasing RUNX1/2 transcription. These findings may have broad implications for AML pathogenesis.
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Affiliation(s)
- Ryan B. Day
- Section of Stem Cell Biology, Division of Oncology, Department of Internal Medicine, and
| | - Julia A. Hickman
- Section of Stem Cell Biology, Division of Oncology, Department of Internal Medicine, and
| | - Ziheng Xu
- Section of Stem Cell Biology, Division of Oncology, Department of Internal Medicine, and
| | - Casey D.S. Katerndahl
- Section of Stem Cell Biology, Division of Oncology, Department of Internal Medicine, and
| | - Francesca Ferraro
- Section of Stem Cell Biology, Division of Oncology, Department of Internal Medicine, and
| | | | - Petra Erdmann-Gilmore
- Division of Endocrinology, Metabolism and Lipid Research, Department of Internal Medicine, Washington University School of Medicine, St. Louis, Missouri, USA
| | - Robert W. Sprung
- Division of Endocrinology, Metabolism and Lipid Research, Department of Internal Medicine, Washington University School of Medicine, St. Louis, Missouri, USA
| | - Yiling Mi
- Division of Endocrinology, Metabolism and Lipid Research, Department of Internal Medicine, Washington University School of Medicine, St. Louis, Missouri, USA
| | - R. Reid Townsend
- Division of Endocrinology, Metabolism and Lipid Research, Department of Internal Medicine, Washington University School of Medicine, St. Louis, Missouri, USA
| | - Christopher A. Miller
- Section of Stem Cell Biology, Division of Oncology, Department of Internal Medicine, and
| | - Timothy J. Ley
- Section of Stem Cell Biology, Division of Oncology, Department of Internal Medicine, and
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6
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Xu D, Yang Y, Yin Z, Tu S, Nie D, Li Y, Huang Z, Sun Q, Huang C, Nie X, Yao Z, Shi P, Zhang Y, Jiang X, Liu Q, Yu G. Risk-directed therapy based on genetics and MRD improves the outcomes of AML1-ETO-positive AML patients, a multi-center prospective cohort study. Blood Cancer J 2023; 13:168. [PMID: 37957175 PMCID: PMC10643486 DOI: 10.1038/s41408-023-00941-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Revised: 10/14/2023] [Accepted: 10/27/2023] [Indexed: 11/15/2023] Open
Affiliation(s)
- Dan Xu
- Department of Hematology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Ying Yang
- Department of Hematology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Zhao Yin
- Department of Hematology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Sanfang Tu
- Department of Hematology, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Danian Nie
- Department of Hematology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Yiqing Li
- Department of Hematology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Zhenqian Huang
- Department of Hematology, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Qixin Sun
- Department of Hematology, Guangzhou First People's Hospital, Guangzhou, China
| | - Changfen Huang
- Department of Hematology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Xiaqi Nie
- Department of Hematology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Zurong Yao
- Department of Hematology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Pengcheng Shi
- Department of Hematology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Yu Zhang
- Department of Hematology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Xuejie Jiang
- Department of Hematology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Qifa Liu
- Department of Hematology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Guopan Yu
- Department of Hematology, Nanfang Hospital, Southern Medical University, Guangzhou, China.
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7
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Weng W, Chen Y, Wang Y, Ying P, Guo X, Ruan J, Song H, Xu W, Zhang J, Xu X, Tang Y. A scoring system based on fusion genes to predict treatment outcomes of the non-acute promyelocytic leukemia pediatric acute myeloid leukemia. Front Med (Lausanne) 2023; 10:1258038. [PMID: 37942413 PMCID: PMC10628016 DOI: 10.3389/fmed.2023.1258038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2023] [Accepted: 10/05/2023] [Indexed: 11/10/2023] Open
Abstract
Background Fusion genes are considered to be one of the major drivers behind cancer initiation and progression. Meanwhile, non-acute promyelocytic leukemia (APL) pediatric patients with acute myeloid leukemia (AML) in children had limited treatment efficacy. Hence, we developed and validated a simple clinical scoring system for predicting outcomes in non-APL pediatric patients with AML. Method A total of 184 non-APL pediatric patients with AML who were admitted to our hospital and an independent dataset (318 patients) from the TARGET database were included. Least absolute shrinkage and selection operation (LASSO) and Cox regression analysis were used to identify prognostic factors. Then, a nomogram score was developed to predict the 1, 3, and 5 years overall survival (OS) based on their clinical characteristics and fusion genes. The accuracy of the nomogram score was determined by calibration curves and receiver operating characteristic (ROC) curves. Additionally, an internal verification cohort was used to assess its applicability. Results Based on Cox and LASSO regression analyses, a nomogram score was constructed using clinical characteristics and OS-related fusion genes (CBFβ::MYH11, RUNX1::RUNX1T1, KMT2A::ELL, and KMT2A::MLLT10), yielded good calibration and concordance for predicting OS of non-APL pediatric patients with AML. Furthermore, patients with higher scores exhibited worse outcomes. The nomogram score also demonstrated good discrimination and calibration in the whole cohort and internal validation. Furthermore, artificial neural networks demonstrated that this nomogram score exhibits good predictive performance. Conclusion Our model based on the fusion gene is a prognostic biomarker for non-APL pediatric patients with AML. The nomogram score can provide personalized prognosis prediction, thereby benefiting clinical decision-making.
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Affiliation(s)
- Wenwen Weng
- Division/Center of Hematology-Oncology, Children’s Hospital of Zhejiang University School of Medicine, Hangzhou, China
- The Pediatric Leukemia Diagnostic and Therapeutic Technology Research Center of Zhejiang Province, National Clinical Research Center for Child Health Hangzhou, Hangzhou, China
| | - Yanfei Chen
- Division/Center of Hematology-Oncology, Children’s Hospital of Zhejiang University School of Medicine, Hangzhou, China
- The Pediatric Leukemia Diagnostic and Therapeutic Technology Research Center of Zhejiang Province, National Clinical Research Center for Child Health Hangzhou, Hangzhou, China
| | - Yuwen Wang
- Division/Center of Hematology-Oncology, Children’s Hospital of Zhejiang University School of Medicine, Hangzhou, China
- The Pediatric Leukemia Diagnostic and Therapeutic Technology Research Center of Zhejiang Province, National Clinical Research Center for Child Health Hangzhou, Hangzhou, China
| | - Peiting Ying
- Division/Center of Hematology-Oncology, Children’s Hospital of Zhejiang University School of Medicine, Hangzhou, China
- The Pediatric Leukemia Diagnostic and Therapeutic Technology Research Center of Zhejiang Province, National Clinical Research Center for Child Health Hangzhou, Hangzhou, China
| | - Xiaoping Guo
- Division/Center of Hematology-Oncology, Children’s Hospital of Zhejiang University School of Medicine, Hangzhou, China
- The Pediatric Leukemia Diagnostic and Therapeutic Technology Research Center of Zhejiang Province, National Clinical Research Center for Child Health Hangzhou, Hangzhou, China
| | - Jinfei Ruan
- Division/Center of Hematology-Oncology, Children’s Hospital of Zhejiang University School of Medicine, Hangzhou, China
- The Pediatric Leukemia Diagnostic and Therapeutic Technology Research Center of Zhejiang Province, National Clinical Research Center for Child Health Hangzhou, Hangzhou, China
| | - Hua Song
- Division/Center of Hematology-Oncology, Children’s Hospital of Zhejiang University School of Medicine, Hangzhou, China
- The Pediatric Leukemia Diagnostic and Therapeutic Technology Research Center of Zhejiang Province, National Clinical Research Center for Child Health Hangzhou, Hangzhou, China
| | - Weiqun Xu
- Division/Center of Hematology-Oncology, Children’s Hospital of Zhejiang University School of Medicine, Hangzhou, China
- The Pediatric Leukemia Diagnostic and Therapeutic Technology Research Center of Zhejiang Province, National Clinical Research Center for Child Health Hangzhou, Hangzhou, China
| | - Jingying Zhang
- Division/Center of Hematology-Oncology, Children’s Hospital of Zhejiang University School of Medicine, Hangzhou, China
- The Pediatric Leukemia Diagnostic and Therapeutic Technology Research Center of Zhejiang Province, National Clinical Research Center for Child Health Hangzhou, Hangzhou, China
| | - Xiaojun Xu
- Division/Center of Hematology-Oncology, Children’s Hospital of Zhejiang University School of Medicine, Hangzhou, China
- The Pediatric Leukemia Diagnostic and Therapeutic Technology Research Center of Zhejiang Province, National Clinical Research Center for Child Health Hangzhou, Hangzhou, China
| | - Yongmin Tang
- Division/Center of Hematology-Oncology, Children’s Hospital of Zhejiang University School of Medicine, Hangzhou, China
- The Pediatric Leukemia Diagnostic and Therapeutic Technology Research Center of Zhejiang Province, National Clinical Research Center for Child Health Hangzhou, Hangzhou, China
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8
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Swoboda AS, Arfelli VC, Danese A, Windisch R, Kerbs P, Redondo Monte E, Bagnoli JW, Chen-Wichmann L, Caroleo A, Cusan M, Krebs S, Blum H, Sterr M, Enard W, Herold T, Colomé-Tatché M, Wichmann C, Greif PA. CSF3R T618I Collaborates With RUNX1-RUNX1T1 to Expand Hematopoietic Progenitors and Sensitizes to GLI Inhibition. Hemasphere 2023; 7:e958. [PMID: 37841755 PMCID: PMC10569757 DOI: 10.1097/hs9.0000000000000958] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Accepted: 08/22/2023] [Indexed: 10/17/2023] Open
Abstract
Activating colony-stimulating factor-3 receptor gene (CSF3R) mutations are recurrent in acute myeloid leukemia (AML) with t(8;21) translocation. However, the nature of oncogenic collaboration between alterations of CSF3R and the t(8;21) associated RUNX1-RUNX1T1 fusion remains unclear. In CD34+ hematopoietic stem and progenitor cells from healthy donors, double oncogene expression led to a clonal advantage, increased self-renewal potential, and blast-like morphology and distinct immunophenotype. Gene expression profiling revealed hedgehog signaling as a potential mechanism, with upregulation of GLI2 constituting a putative pharmacological target. Both primary hematopoietic cells and the t(8;21) positive AML cell line SKNO-1 showed increased sensitivity to the GLI inhibitor GANT61 when expressing CSF3R T618I. Our findings suggest that during leukemogenesis, the RUNX1-RUNXT1 fusion and CSF3R mutation act in a synergistic manner to alter hedgehog signaling, which can be exploited therapeutically.
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Affiliation(s)
- Anja S. Swoboda
- Department of Medicine III, University Hospital, LMU Munich, Germany
- German Cancer Consortium (DKTK), Partner Site Munich, Germany
- German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Vanessa C. Arfelli
- Department of Medicine III, University Hospital, LMU Munich, Germany
- German Cancer Consortium (DKTK), Partner Site Munich, Germany
- German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Anna Danese
- Computational Health Center, Helmholtz Center Munich, Neuherberg, Germany
- Department of Physiological Genomics, Biomedical Center Munich, Ludwig-Maximilians University, Germany
| | - Roland Windisch
- Division of Transfusion Medicine, Cell Therapeutics and Haemostaseology, University Hospital, LMU Munich, Germany
| | - Paul Kerbs
- Department of Medicine III, University Hospital, LMU Munich, Germany
- German Cancer Consortium (DKTK), Partner Site Munich, Germany
- German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Enric Redondo Monte
- Department of Medicine III, University Hospital, LMU Munich, Germany
- German Cancer Consortium (DKTK), Partner Site Munich, Germany
- German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Johannes W. Bagnoli
- Anthropology and Human Genomics, Faculty of Biology, LMU Munich, Martinsried, Germany
| | - Linping Chen-Wichmann
- Division of Transfusion Medicine, Cell Therapeutics and Haemostaseology, University Hospital, LMU Munich, Germany
| | - Alessandra Caroleo
- Department of Medicine III, University Hospital, LMU Munich, Germany
- German Cancer Consortium (DKTK), Partner Site Munich, Germany
- German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Monica Cusan
- Department of Medicine III, University Hospital, LMU Munich, Germany
- German Cancer Consortium (DKTK), Partner Site Munich, Germany
- German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Stefan Krebs
- Gene Center - Laboratory for Functional Genome Analysis, LMU Munich, Germany
| | - Helmut Blum
- Gene Center - Laboratory for Functional Genome Analysis, LMU Munich, Germany
| | - Michael Sterr
- Institute of Diabetes and Regeneration Research, Helmholtz Diabetes Center, Helmholtz Center Munich, Neuherberg, Germany
- German Center for Diabetes Research (DZD), Neuherberg, Germany
| | - Wolfgang Enard
- Anthropology and Human Genomics, Faculty of Biology, LMU Munich, Martinsried, Germany
| | - Tobias Herold
- Department of Medicine III, University Hospital, LMU Munich, Germany
- German Cancer Consortium (DKTK), Partner Site Munich, Germany
- German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Maria Colomé-Tatché
- Computational Health Center, Helmholtz Center Munich, Neuherberg, Germany
- Biomedical Center (BMC), Physiological Chemistry, Faculty of Medicine, LMU Munich, Planegg-Martinsried, Germany
| | - Christian Wichmann
- Division of Transfusion Medicine, Cell Therapeutics and Haemostaseology, University Hospital, LMU Munich, Germany
| | - Philipp A. Greif
- Department of Medicine III, University Hospital, LMU Munich, Germany
- German Cancer Consortium (DKTK), Partner Site Munich, Germany
- German Cancer Research Center (DKFZ), Heidelberg, Germany
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9
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Boscaro E, Urbino I, Catania FM, Arrigo G, Secreto C, Olivi M, D'Ardia S, Frairia C, Giai V, Freilone R, Ferrero D, Audisio E, Cerrano M. Modern Risk Stratification of Acute Myeloid Leukemia in 2023: Integrating Established and Emerging Prognostic Factors. Cancers (Basel) 2023; 15:3512. [PMID: 37444622 DOI: 10.3390/cancers15133512] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2023] [Revised: 07/02/2023] [Accepted: 07/04/2023] [Indexed: 07/15/2023] Open
Abstract
An accurate estimation of AML prognosis is complex since it depends on patient-related factors, AML manifestations at diagnosis, and disease genetics. Furthermore, the depth of response, evaluated using the level of MRD, has been established as a strong prognostic factor in several AML subgroups. In recent years, this rapidly evolving field has made the prognostic evaluation of AML more challenging. Traditional prognostic factors, established in cohorts of patients treated with standard intensive chemotherapy, are becoming less accurate as new effective therapies are emerging. The widespread availability of next-generation sequencing platforms has improved our knowledge of AML biology and, consequently, the recent ELN 2022 recommendations significantly expanded the role of new gene mutations. However, the impact of rare co-mutational patterns remains to be fully disclosed, and large international consortia such as the HARMONY project will hopefully be instrumental to this aim. Moreover, accumulating evidence suggests that clonal architecture plays a significant prognostic role. The integration of clinical, cytogenetic, and molecular factors is essential, but hierarchical methods are reaching their limit. Thus, innovative approaches are being extensively explored, including those based on "knowledge banks". Indeed, more robust prognostic estimations can be obtained by matching each patient's genomic and clinical data with the ones derived from very large cohorts, but further improvements are needed.
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Affiliation(s)
- Eleonora Boscaro
- Division of Hematology, Department of Oncology, Presidio Molinette, AOU Città della Salute e della Scienza di Torino, 10126 Turin, Italy
| | - Irene Urbino
- Division of Hematology, Department of Oncology, Presidio Molinette, AOU Città della Salute e della Scienza di Torino, 10126 Turin, Italy
| | - Federica Maria Catania
- Division of Hematology, Department of Oncology, Presidio Molinette, AOU Città della Salute e della Scienza di Torino, 10126 Turin, Italy
| | - Giulia Arrigo
- Division of Hematology, Department of Oncology, Presidio Molinette, AOU Città della Salute e della Scienza di Torino, 10126 Turin, Italy
| | - Carolina Secreto
- Division of Hematology, Department of Oncology, Presidio Molinette, AOU Città della Salute e della Scienza di Torino, 10126 Turin, Italy
| | - Matteo Olivi
- Division of Hematology, Department of Oncology, Presidio Molinette, AOU Città della Salute e della Scienza di Torino, 10126 Turin, Italy
| | - Stefano D'Ardia
- Division of Hematology, Department of Oncology, Presidio Molinette, AOU Città della Salute e della Scienza di Torino, 10126 Turin, Italy
| | - Chiara Frairia
- Division of Hematology, Department of Oncology, Presidio Molinette, AOU Città della Salute e della Scienza di Torino, 10126 Turin, Italy
| | - Valentina Giai
- Division of Hematology, Department of Oncology, Presidio Molinette, AOU Città della Salute e della Scienza di Torino, 10126 Turin, Italy
| | - Roberto Freilone
- Division of Hematology, Department of Oncology, Presidio Molinette, AOU Città della Salute e della Scienza di Torino, 10126 Turin, Italy
| | - Dario Ferrero
- Division of Hematology, Department of Molecular Biotechnology and Health Sciences, University of Torino, 10126 Turin, Italy
| | - Ernesta Audisio
- Division of Hematology, Department of Oncology, Presidio Molinette, AOU Città della Salute e della Scienza di Torino, 10126 Turin, Italy
| | - Marco Cerrano
- Division of Hematology, Department of Oncology, Presidio Molinette, AOU Città della Salute e della Scienza di Torino, 10126 Turin, Italy
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10
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Du X, Sheng J, Chen Y, He S, Yang Y, Huang Y, Fu Y, Lie L, Han Z, Zhu B, Liu H, Wen Q, Zhou X, Zhou C, Hu S, Ma L. The E3 ligase HERC5 promotes antimycobacterial responses in macrophages by ISGylating the phosphatase PTEN. Sci Signal 2023; 16:eabm1756. [PMID: 37279284 DOI: 10.1126/scisignal.abm1756] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Accepted: 05/16/2023] [Indexed: 06/08/2023]
Abstract
Innate immune signaling in macrophages during viral infection is regulated by ISGylation, the covalent attachment of the ubiquitin-like protein interferon-stimulated gene 15 (ISG15) to protein targets. Here, we explored the role of ISGylation in the macrophage response to infection with Mycobacterium tuberculosis. In human and mouse macrophages, the E3 ubiquitin ligases HERC5 and mHERC6, respectively, mediated the ISGylation of the phosphatase PTEN, which promoted its degradation. The decreased abundance of PTEN led to an increase in the activity of the PI3K-AKT signaling pathway, which stimulated the synthesis of proinflammatory cytokines. Bacterial growth was increased in culture and in vivo when human or mouse macrophages were deficient in the major E3 ISG15 ligase. The findings expand the role of ISGylation in macrophages to antibacterial immunity and suggest that HERC5 signaling may be a candidate target for adjunct host-directed therapy in patients with tuberculosis.
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Affiliation(s)
- Xialin Du
- Institute of Molecular Immunology, School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou 510515, China
| | - Junli Sheng
- Institute of Molecular Immunology, School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou 510515, China
| | - Yitian Chen
- Institute of Molecular Immunology, School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou 510515, China
| | - Shitong He
- Institute of Molecular Immunology, School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou 510515, China
| | - Yalong Yang
- Institute of Molecular Immunology, School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou 510515, China
| | - Yulan Huang
- Institute of Molecular Immunology, School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou 510515, China
| | - Yuling Fu
- Institute of Molecular Immunology, School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou 510515, China
| | - Linmiao Lie
- Institute of Molecular Immunology, School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou 510515, China
| | - Zhenyu Han
- Institute of Molecular Immunology, School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou 510515, China
| | - Bo Zhu
- Institute of Molecular Immunology, School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou 510515, China
| | - Honglin Liu
- Institute of Molecular Immunology, School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou 510515, China
| | - Qian Wen
- Institute of Molecular Immunology, School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou 510515, China
| | - Xinying Zhou
- Institute of Molecular Immunology, School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou 510515, China
| | - Chaoying Zhou
- Institute of Molecular Immunology, School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou 510515, China
| | - Shengfeng Hu
- Institute of Molecular Immunology, School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou 510515, China
| | - Li Ma
- Institute of Molecular Immunology, School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou 510515, China
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11
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Qiu KY, Liao XY, Li Y, Huang K, Xu HG, Fang JP, Zhou DH. Outcome and prognostic factors of CBF pediatric AML patients with t(8;21) differ from patients with inv(16). BMC Cancer 2023; 23:476. [PMID: 37231380 DOI: 10.1186/s12885-023-10965-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Accepted: 05/16/2023] [Indexed: 05/27/2023] Open
Abstract
PURPOSE To explore the outcome and prognostic factors between inv(16) and t(8;21) disrupt core binding factor (CBF) in acute myeloid leukemia (AML). METHODS The clinical characteristic, probability of achieving complete remission (CR), overall survival (OS) and cumulative incidence of relapse (CIR) were compared between inv(16) and (8;21). RESULTS The CR rate was 95.2%, 10-year OS was 84.4% and CIR was 29.4%. Subgroup analysis showed that patients with t(8;21) had significant lower 10-year OS and CIR than patients with inv(16). Unexpectedly, there was a trend for pediatric AML receiving five courses cytarabine to have a lower CIR than four courses cytarabine (19.8% vs 29.3%, P = 0.06). Among the cohort of no-gemtuzumab ozogamicin(GO) treatment, inv (16) patients showed a similar 10-year OS (78.9% vs 83.5%; P = 0.69) and an inferior outcome on 10-year CIR (58.6% vs 28.9%, P = 0.01) than those patients with t(8;21). In contrast, inv (16) and t(8;21) patients receiving GO treatment had comparable OS (OS: 90.5% vs. 86.5%, P = 0.66) as well as CIR (40.4% vs. 21.4%, P = 0.13). CONCLUSION Our data demonstrated that more cumulative cytarabine exposure could improve the outcome of childhood patients with t(8;21), while GO treatment was beneficial to the pediatric patients with inv(16).
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Affiliation(s)
- Kun-Yin Qiu
- Department of Hematology/Oncology, Children's Medical Center, SunYat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, 510120, P. R. China
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, 510120, P. R. China
| | - Xiong-Yu Liao
- Department of Hematology/Oncology, Children's Medical Center, SunYat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, 510120, P. R. China
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, 510120, P. R. China
| | - Yang Li
- Department of Hematology/Oncology, Children's Medical Center, SunYat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, 510120, P. R. China
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, 510120, P. R. China
| | - Ke Huang
- Department of Hematology/Oncology, Children's Medical Center, SunYat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, 510120, P. R. China
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, 510120, P. R. China
| | - Hong-Gui Xu
- Department of Hematology/Oncology, Children's Medical Center, SunYat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, 510120, P. R. China
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, 510120, P. R. China
| | - Jian-Pei Fang
- Department of Hematology/Oncology, Children's Medical Center, SunYat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, 510120, P. R. China.
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, 510120, P. R. China.
| | - Dun-Hua Zhou
- Department of Hematology/Oncology, Children's Medical Center, SunYat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, 510120, P. R. China.
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, 510120, P. R. China.
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12
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Shen YJ, Zhang Y, Chang J, Wang HF, Ye XN, Zhu L, Jin J, Zhu HH. CAG (cytarabine, aclarubicin and granulocyte colony-stimulating factor) regimen for core binding factor acute myeloid leukaemia with measurable residual disease. Ann Hematol 2023:10.1007/s00277-023-05213-6. [PMID: 37145324 DOI: 10.1007/s00277-023-05213-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Accepted: 04/03/2023] [Indexed: 05/06/2023]
Abstract
Acute myeloid leukaemia (AML) with t (8;21) or inv (16), called core binding factor (CBF) AML, has a favourable prognosis. However, some CBF-AML patients have persistent measurable residual disease (MRD) and are more likely to relapse after standard chemotherapy treatment. The CAG regimen, composed of cytarabine, aclarubicin and granulocyte colony-stimulating factor, has been proven to be effective and safe in treating refractory AML patients. We performed a retrospective study to evaluate the efficacy of the CAG regimen to eliminate MRD detected by RUNX1::RUNX1T1 and CBFβ::MYH11 transcript levels by quantitative polymerase chain reaction (Q-PCR) among 23 patients. Molecular response was defined as the ratio of fusion transcript after treatment to that before treatment less than or equal to 0.5. The molecular response rate and median decrease ratio of fusion transcripts at the molecular level of the CAG regimen were 52% and 0.53, respectively. The median fusion transcripts before CAG treatment was 0.25% whereas after CAG was 0.11%. Among the 15 patients who had a poor molecular response to the high/intermediate-dose cytarabine regimen, the median decrease ratios of transcripts at the molecular level of high/intermediate-dose cytarabine and CAG were 1.55 and 0.53 (P = 0.028), respectively, and 6 of 15 patients achieved a molecular response to CAG (40%). The median disease-free survival was 18 months, and the overall survival rate at 3 years among all patients was 72.7% ± 10.7%. The common grades 3-4 adverse events were nausea (100%), thrombocytopenia (39%) and neutropenia (37.5%). The CAG regimen may have activity in CBF-AML patients and could provide a new option for patients who have a poor molecular response to high/intermediate-dose cytarabine.
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Affiliation(s)
- Yao-Jia Shen
- Zhejiang Provincial Key Laboratory of Hematopoietic Malignancy, Zhejiang University, Hangzhou, Zhejiang, People's Republic of China
- Department of Haematology, the First Affiliated Hospital, Zhejiang University School of Medicine, No.79 Qingchun Road, 310003, Hangzhou, Zhejiang Province, People's Republic of China
| | - Yi Zhang
- Department of Haematology, the First Affiliated Hospital, Zhejiang University School of Medicine, No.79 Qingchun Road, 310003, Hangzhou, Zhejiang Province, People's Republic of China
- Zhejiang Provincial Clinical Research Center for Haematological Disorders, Hangzhou, People's Republic of China
| | - Jie Chang
- Zhejiang Provincial Key Laboratory of Hematopoietic Malignancy, Zhejiang University, Hangzhou, Zhejiang, People's Republic of China
- Department of Haematology, the First Affiliated Hospital, Zhejiang University School of Medicine, No.79 Qingchun Road, 310003, Hangzhou, Zhejiang Province, People's Republic of China
| | - Hua-Feng Wang
- Department of Haematology, the First Affiliated Hospital, Zhejiang University School of Medicine, No.79 Qingchun Road, 310003, Hangzhou, Zhejiang Province, People's Republic of China
- Zhejiang Provincial Clinical Research Center for Haematological Disorders, Hangzhou, People's Republic of China
| | - Xing-Nong Ye
- Department of Haematology, the First Affiliated Hospital, Zhejiang University School of Medicine, No.79 Qingchun Road, 310003, Hangzhou, Zhejiang Province, People's Republic of China
- Zhejiang Provincial Clinical Research Center for Haematological Disorders, Hangzhou, People's Republic of China
| | - Li Zhu
- Department of Haematology, the First Affiliated Hospital, Zhejiang University School of Medicine, No.79 Qingchun Road, 310003, Hangzhou, Zhejiang Province, People's Republic of China
- Zhejiang Provincial Clinical Research Center for Haematological Disorders, Hangzhou, People's Republic of China
| | - Jie Jin
- Zhejiang Provincial Key Laboratory of Hematopoietic Malignancy, Zhejiang University, Hangzhou, Zhejiang, People's Republic of China
- Department of Haematology, the First Affiliated Hospital, Zhejiang University School of Medicine, No.79 Qingchun Road, 310003, Hangzhou, Zhejiang Province, People's Republic of China
- Zhejiang Provincial Clinical Research Center for Haematological Disorders, Hangzhou, People's Republic of China
| | - Hong-Hu Zhu
- Zhejiang Provincial Key Laboratory of Hematopoietic Malignancy, Zhejiang University, Hangzhou, Zhejiang, People's Republic of China.
- Department of Haematology, the First Affiliated Hospital, Zhejiang University School of Medicine, No.79 Qingchun Road, 310003, Hangzhou, Zhejiang Province, People's Republic of China.
- Zhejiang Provincial Clinical Research Center for Haematological Disorders, Hangzhou, People's Republic of China.
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13
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Ren R, Horton JR, Chen Q, Yang J, Liu B, Huang Y, Blumenthal RM, Zhang X, Cheng X. Structural basis for transcription factor ZBTB7A recognition of DNA and effects of ZBTB7A somatic mutations that occur in human acute myeloid leukemia. J Biol Chem 2023; 299:102885. [PMID: 36626981 PMCID: PMC9932118 DOI: 10.1016/j.jbc.2023.102885] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Revised: 12/27/2022] [Accepted: 12/29/2022] [Indexed: 01/09/2023] Open
Abstract
ZBTB7A belongs to a small family of transcription factors having three members in humans (7A, 7B, and 7C). They share a BTB/POZ protein interaction domain at the amino end and a zinc-finger DNA-binding domain at the carboxyl end. They control the transcription of a wide range of genes, having varied functions in hematopoiesis, oncogenesis, and metabolism (in particular glycolysis). ZBTB7A-binding profiles at gene promoters contain a consensus G(a/c)CCC motif, followed by a CCCC sequence in some instances. Structural and mutational investigations suggest that DNA-specific contacts with the four-finger tandem array of ZBTB7A are formed sequentially, initiated from ZF1-ZF2 binding to G(a/c)CCC before spreading to ZF3-ZF4, which bind the DNA backbone and the 3' CCCC sequence, respectively. Here, we studied some mutations found in t(8;21)-positive acute myeloid leukemia patients that occur within the ZBTB7A DNA-binding domain. We determined that these mutations generally impair ZBTB7A DNA binding, with the most severe disruptions resulting from mutations in ZF1 and ZF2, and the least from a frameshift mutation in ZF3 that results in partial mislocalization. Information provided here on ZBTB7A-DNA interactions is likely applicable to ZBTB7B/C, which have overlapping functions with ZBTB7A in controlling primary metabolism.
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Affiliation(s)
- Ren Ren
- Department of Epigenetics and Molecular Carcinogenesis, University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - John R Horton
- Department of Epigenetics and Molecular Carcinogenesis, University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Qin Chen
- Department of Epigenetics and Molecular Carcinogenesis, University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Jie Yang
- Department of Epigenetics and Molecular Carcinogenesis, University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Bin Liu
- Department of Epigenetics and Molecular Carcinogenesis, University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Yun Huang
- Center for Epigenetics and Disease Prevention, Institute of Biosciences and Technology, College of Medicine, Texas A&M University, Houston, Texas, USA
| | - Robert M Blumenthal
- Department of Medical Microbiology and Immunology, and Program in Bioinformatics, The University of Toledo College of Medicine and Life Sciences, Toledo, Ohio, USA
| | - Xing Zhang
- Department of Epigenetics and Molecular Carcinogenesis, University of Texas MD Anderson Cancer Center, Houston, Texas, USA.
| | - Xiaodong Cheng
- Department of Epigenetics and Molecular Carcinogenesis, University of Texas MD Anderson Cancer Center, Houston, Texas, USA.
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14
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Gabra MM, Chow JTS, Kim T, Son MH, Arruda A, Woolley JF, Zhang Z, Minden MD, Salmena L. A 5-microRNA signature derived from core binding factor-AML is predictive in adult and childhood AML. Leuk Res 2022; 123:106968. [DOI: 10.1016/j.leukres.2022.106968] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2022] [Revised: 09/05/2022] [Accepted: 10/07/2022] [Indexed: 11/07/2022]
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15
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Shinriki S, Matsui H. Unique role of DDX41, a DEAD-box type RNA helicase, in hematopoiesis and leukemogenesis. Front Oncol 2022; 12:992340. [PMID: 36119490 PMCID: PMC9478608 DOI: 10.3389/fonc.2022.992340] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2022] [Accepted: 08/15/2022] [Indexed: 11/13/2022] Open
Abstract
In myeloid malignancies including acute myeloid leukemia (AML) and myelodysplastic syndromes (MDS), patient selection and therapeutic strategies are increasingly based on tumor-specific genetic mutations. Among these, mutations in DDX41, which encodes a DEAD-box type RNA helicase, are present in approximately 2–5% of AML and MDS patients; this disease subtype exhibits a distinctive disease phenotype characterized by late age of onset, tendency toward cytopenia in the peripheral blood and bone marrow, a relatively favorable prognosis, and a high frequency of normal karyotypes. Typically, individuals with a loss-of-function germline DDX41 variant in one allele later acquire the p.R525H mutation in the other allele before overt disease manifestation, suggesting that the progressive decrease in DDX41 expression and/or function is involved in myeloid leukemogenesis.RNA helicases play roles in many processes involving RNA metabolism by altering RNA structure and RNA-protein interactions through ATP-dependent helicase activity. A single RNA helicase can play multiple cellular roles, making it difficult to elucidate the mechanisms by which mutations in DDX41 are involved in leukemogenesis. Nevertheless, multiple DDX41 functions have been associated with disease development. The enzyme has been implicated in the regulation of RNA splicing, nucleic acid sensing in the cytoplasm, R-loop resolution, and snoRNA processing.Most of the mutated RNA splicing-related factors in MDS are involved in the recognition and determination of 3’ splice sites (SS), although their individual roles are distinct. On the other hand, DDX41 is likely incorporated into the C complex of the spliceosome, which may define a distinctive disease phenotype. This review summarizes the current understanding of how DDX41 is involved in this unique myeloid malignancy.
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16
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Jumping translocation involving chromosome 13q in a patient with Crohn's Disease and inv(16)(p13.1q22)/CBFB-MYH11 acute myeloid leukemia. Cancer Genet 2022; 266-267:7-14. [DOI: 10.1016/j.cancergen.2022.05.041] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2021] [Revised: 03/25/2022] [Accepted: 05/16/2022] [Indexed: 12/20/2022]
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17
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Hu N, Zou L, Wang C, Song G. RUNX1T1 function in cell fate. Stem Cell Res Ther 2022; 13:369. [PMID: 35902872 PMCID: PMC9330642 DOI: 10.1186/s13287-022-03074-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Accepted: 07/20/2022] [Indexed: 11/24/2022] Open
Abstract
RUNX1T1 (Runt-related transcription factor 1, translocated to 1), a myeloid translocation gene (MTG) family member, is usually investigated as part of the fusion protein RUNX1-RUNX1T1 for its role in acute myeloid leukemia. In the main, by recruiting histone deacetylases, RUNX1T1 negatively influences transcription, enabling it to regulate the proliferation and differentiation of hematopoietic progenitors. Moreover, the formation of blood vessels, neuronal differentiation, microglial activation following injury, and intestinal development all relate closely to the expression of RUNX1T1. Furthermore, through alternative splicing of RUNX1T1, short and long isoforms have been noted to mediate adipogenesis by balancing the differentiation and proliferation of adipocytes. In addition, RUNX1T1 plays wide-ranging and diverse roles in carcinoma as a biomarker, suppressor, or positive regulator of carcinogenesis, closely correlated to specific organs and dominant signaling pathways. The aim of this work was to investigate the structure of RUNX1T1, which contains four conserved nervy homolog domains, and to demonstrate crosstalk with the Notch signaling pathway. Moreover, we endeavored to illustrate the effects of RUNX1T1 on cell fate from multiple aspects, including its influence on hematopoiesis, neuronal differentiation, microglial activation, intestinal development, adipogenesis, angiogenesis, and carcinogenesis.
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Affiliation(s)
- Nan Hu
- Department of Hematology, Affiliated Hospital and Medical School of Nantong University, Nantong, 226001, Jiangsu, China
| | - Linqing Zou
- Department of Human Anatomy, Jiangsu Key Laboratory of Neuroregeneration, Nantong University, Nantong, 226001, Jiangsu, China
| | - Cheng Wang
- Department of Human Anatomy, Jiangsu Key Laboratory of Neuroregeneration, Nantong University, Nantong, 226001, Jiangsu, China
| | - Guoqi Song
- Department of Hematology, Affiliated Hospital and Medical School of Nantong University, Nantong, 226001, Jiangsu, China.
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18
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Lo Iudice G, De Bellis E, Savi A, Guarnera L, Massacci A, De Nicola F, Goeman F, Ottone T, Divona M, Pallocca M, Fanciulli M, Voso MT, Ciliberto G. Molecular dissection of a hyper-aggressive CBFB-MYH11/FLT3-ITD-positive acute myeloid leukemia. J Transl Med 2022; 20:311. [PMID: 35794567 PMCID: PMC9258203 DOI: 10.1186/s12967-022-03486-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2022] [Accepted: 06/13/2022] [Indexed: 12/18/2022] Open
Abstract
Acute Myeloid Leukaemia (AML) is a haematological malignancy showing a hypervariable landscape of clinical outcomes and phenotypic differences, explainable by heterogeneity at the cellular and molecular level. Among the most common genomic alterations, CBFB-MYH11 rearrangement and FLT3-ITD gene mutations, have opposite clinical significance and are unfrequently associated. We present here a Molecular Case Report in which these two events co-exist an ultra-aggressive phenotype resulting in death in 4 days from hospital admittance. Somatic and germline Whole Exome Sequencing analysis was performed to uncover other putative driver mutations, de-novo genomic structural events or germline clusters increasing cancer insurgence. Only three mutations in LTK, BCAS2 and LGAS9 were found, unlikely causative of the exhibited phenotype, prompting to additional investigation of the rare CBFB-MYH11/ FLT3-ITD scenario.
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Affiliation(s)
| | - Eleonora De Bellis
- Department of Biomedicine and Prevention, Tor Vergata University, Rome, Italy
- Department of Onco-Hematology, Policlinico Tor Vergata, Rome, Italy
| | - Arianna Savi
- Department of Biomedicine and Prevention, Tor Vergata University, Rome, Italy
- Department of Onco-Hematology, Policlinico Tor Vergata, Rome, Italy
| | - Luca Guarnera
- Department of Biomedicine and Prevention, Tor Vergata University, Rome, Italy
- Department of Onco-Hematology, Policlinico Tor Vergata, Rome, Italy
| | - Alice Massacci
- Biostatistics, Bioinformatics and Clinical Trial Center, IRCCS Regina Elena National Cancer Institute, Rome, Italy
| | | | - Frauke Goeman
- SAFU Unit, IRCCS Regina Elena National Cancer Institute, Rome, Italy
| | - Tiziana Ottone
- Department of Biomedicine and Prevention, Tor Vergata University, Rome, Italy
- Santa Lucia Foundation, IRCCS, Neuro-Oncohematology, Rome, Italy
| | - Mariadomenica Divona
- Laboratory of Advanced Diagnostics in Oncohematology, Hematology Department, Tor Vergata Hospital, Rome, Italy
| | - Matteo Pallocca
- Biostatistics, Bioinformatics and Clinical Trial Center, IRCCS Regina Elena National Cancer Institute, Rome, Italy.
| | | | - Maria Teresa Voso
- Department of Biomedicine and Prevention, Tor Vergata University, Rome, Italy
| | - Gennaro Ciliberto
- Scientific Direction, IRCCS Regina Elena National Cancer Institute, Rome, Italy
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19
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Wang B, Wen L, Wang Z, Chen S, Qiu H. Differential Implications of CSF3R Mutations in t(8;21) and CEBPA Double Mutated Acute Myeloid Leukemia. CLINICAL LYMPHOMA, MYELOMA & LEUKEMIA 2022; 22:393-404. [PMID: 34975010 DOI: 10.1016/j.clml.2021.11.013] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/05/2021] [Revised: 11/13/2021] [Accepted: 11/17/2021] [Indexed: 06/14/2023]
Abstract
BACKGROUND Few data are available exploring mutations of the colony-stimulating factor 3 receptor (CSF3R) in acute myeloid leukemia (AML) in an all-round and systematic manner. The purpose of this study was to analyze the CSF3R mutations (CSF3Rmut) in AML with recurrent genetic abnormalities for potential synergistic pathomechanism. PATIENTS AND METHODS We retrospectively screened 1102 adult de novo AML patients with available next-generation sequencing (NGS) information on 132 genes related to hematologic disorders. The χ2, Mann-Whitney U tests were used to analyze their associations with clinicopathologic characteristics, and a propensity score matching (PSM) followed by Kaplan-Meier method was applied to measure their prognostic effects. RESULTS Overall, CSF3Rmut were detected in 40 (3.6%) of 1102 patients with adult de novo AML. CSF3Rmut were predominantly enriched in AML with the CEBPA double mutations (CEBPAdm) (16/122, 13.1%), t(8;21) (12/186, 6.5%) and mutated RUNX1 (3/50, 6.0%), respectively. The CSF3Rmut loci and types differed according to AML subtypes, with frameshift-indels and premature stop confined in the t(8;21) AML [10/12 (83.3%)], and missense recurrently aggregated in the CEBPAdm AML [16/16 (100%)]. Cases with CSF3Rmut had a lower WBC count versus those with CSF3R wild-type (CSF3Rwt) in the t(8;21) AML cohort, with a borderline significance [median 5.45 (range 0.94-20.30) × 109/L) vs. 8.80 (range 0.96-155.00) × 109/L, P = .046]. CSF3Rmut were non-significantly associated with higher WBC counts [median 33.6 (range 6.8-287.6) × 109/L vs. 18.1 (range 1.7-196.0) × 109/L, P = .156] and significantly with lower immunophenotypic CD15 positivity [0/8 (0%) vs. 44/80 (55%), P = .009] as compared to CSF3Rwt in the CEBPAdm AML cohort. After propensity score matching followed by Kaplan-Meier analysis, CSF3Rmut cases had comparable disease-free survival (DFS) and overall survival (OS) to those with CSF3Rwt (P = .607 and P = .842, respectively) in the t(8;21) AML cohort. By contrast, CSF3Rmut showed an inclination towards inferior DFS compared to CSF3Rwt in the CEBPAdm AML cohort [median DFS 19.8 (95%CI 3.1-36.5) months vs. not reached (NR), P = .086]. No significant difference was found for OS between CSF3Rmut and CSF3Rwt cases (P = .943). CONCLUSION We concluded that CSF3Rmut were frequently enriched in patients with t(8;21) and CEBPAdm subtypes among AML, but showed divergent clinicopathologic features, mutation loci and types and differing prognostic aspects.
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Affiliation(s)
- Biao Wang
- Department of Hematology, The First Affiliated Hospital of Soochow University, Suzhou, China; Department of Hematology, Changzhou First People's Hospital (The Third Affiliated Hospital of Soochow University), Changzhou, China
| | - Lijun Wen
- National Clinical Research Center for Hematologic Diseases, Jiangsu Institute of Hematology, Suzhou, China
| | - Zheng Wang
- National Clinical Research Center for Hematologic Diseases, Jiangsu Institute of Hematology, Suzhou, China; Suzhou Jsuniwell Medical Laboratory, Suzhou, China
| | - Suning Chen
- Department of Hematology, The First Affiliated Hospital of Soochow University, Suzhou, China; National Clinical Research Center for Hematologic Diseases, Jiangsu Institute of Hematology, Suzhou, China
| | - Huiying Qiu
- Department of Hematology, The First Affiliated Hospital of Soochow University, Suzhou, China.
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20
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Distinct genomic landscape of Chinese pediatric acute myeloid leukemia impacts clinical risk classification. Nat Commun 2022; 13:1640. [PMID: 35347147 PMCID: PMC8960760 DOI: 10.1038/s41467-022-29336-y] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2021] [Accepted: 03/09/2022] [Indexed: 12/17/2022] Open
Abstract
Studies have revealed key genomic aberrations in pediatric acute myeloid leukemia (AML) based on Western populations. It is unknown to what extent the current genomic findings represent populations with different ethnic backgrounds. Here we present the genomic landscape of driver alterations of Chinese pediatric AML and discover previously undescribed genomic aberrations, including the XPO1-TNRC18 fusion. Comprehensively comparing between the Chinese and Western AML cohorts reveal a substantially distinct genomic alteration profile. For example, Chinese AML patients more commonly exhibit mutations in KIT and CSF3R, and less frequently mutated of genes in the RAS signaling pathway. These differences in mutation frequencies lead to the detection of previously uncharacterized co-occurring mutation pairs. Importantly, the distinct driver profile is clinical relevant. We propose a refined prognosis risk classification model which better reflected the adverse event risk for Chinese AML patients. These results emphasize the importance of genetic background in precision medicine. The genomic landscape of pediatric acute myeloid leukemia (AML) has mostly been characterised for Western populations. Here, the authors identify potential driver alterations in Chinese pediatric AML, which differ from Western populations, and propose a prognostic risk classification model.
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21
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Di Nardo M, Pallotta MM, Musio A. The multifaceted roles of cohesin in cancer. J Exp Clin Cancer Res 2022; 41:96. [PMID: 35287703 PMCID: PMC8919599 DOI: 10.1186/s13046-022-02321-5] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Accepted: 03/09/2022] [Indexed: 12/13/2022] Open
Abstract
The cohesin complex controls faithful chromosome segregation by pairing sister chromatids after DNA replication until mitosis. In addition, it is crucial for hierarchal three-dimensional organization of the genome, transcription regulation and maintaining DNA integrity. The core complex subunits SMC1A, SMC3, STAG1/2, and RAD21 as well as its modulators, have been found to be recurrently mutated in human cancers. The mechanisms by which cohesin mutations trigger cancer development and disease progression are still poorly understood. Since cohesin is involved in a range of chromosome-related processes, the outcome of cohesin mutations in cancer is complex. Herein, we discuss recent discoveries regarding cohesin that provide new insight into its role in tumorigenesis.
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Affiliation(s)
- Maddalena Di Nardo
- Institute for Biomedical Technologies (ITB), National Research Council (CNR), Via Moruzzi, 1 56124, Pisa, Italy
| | - Maria M. Pallotta
- Institute for Biomedical Technologies (ITB), National Research Council (CNR), Via Moruzzi, 1 56124, Pisa, Italy
| | - Antonio Musio
- Institute for Biomedical Technologies (ITB), National Research Council (CNR), Via Moruzzi, 1 56124, Pisa, Italy
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22
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Monte ER, Leubolt G, Windisch R, Kerbs P, Dutta S, Sippenauer T, Istvánffy R, Oostendorp RAJ, Chen-Wichmann L, Herold T, Cusan M, Schotta G, Wichmann C, Greif PA. Specific effects of somatic GATA2 zinc finger mutations on erythroid differentiation. Exp Hematol 2022; 108:26-35. [PMID: 35181392 DOI: 10.1016/j.exphem.2022.02.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2021] [Revised: 02/07/2022] [Accepted: 02/09/2022] [Indexed: 11/25/2022]
Abstract
GATA2 Zinc-Finger (ZF) mutations are associated with distinct entities of myeloid malignancies. The specific distribution of these mutations points towards different mechanisms of leukemogenesis depending on the affected ZF domain. In this study, we compared recurring somatic mutations in ZF1 and ZF2. All tested ZF mutants disrupted DNA-binding in vitro. In transcription assays, co-expression of FOG1 counteracted GATA2-dependent transcriptional activation, while a variable response to FOG1-mediated repression was observed for individual GATA2 mutants. In primary murine bone marrow cells, GATA2 wild-type (WT) expression inhibited colony formation, while this effect was reduced for both mutants A318T (ZF1) and L359V (ZF2) with a shift towards granulopoiesis. In primary human CD34+ bone marrow cells and in the myeloid cell line K562, ectopic expression of GATA2 L359V but not A318T or G320D caused a block of erythroid differentiation accompanied by downregulation of GATA1, STAT5B and PLCG1. Our findings may explain the role of GATA2 L359V during the progression of chronic myeloid leukemia and the collaboration of GATA2 ZF1 alterations with CEBPA double mutations in erythroleukemia.
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Affiliation(s)
- Enric Redondo Monte
- Department of Medicine III, University Hospital, LMU Munich, 81377 Munich, Germany; German Cancer Consortium (DKTK), partner site Munich, 81377 Munich, Germany; German Cancer Research Center (DKFZ), 69121 Heidelberg, Germany
| | - Georg Leubolt
- Department of Medicine III, University Hospital, LMU Munich, 81377 Munich, Germany; German Cancer Consortium (DKTK), partner site Munich, 81377 Munich, Germany; German Cancer Research Center (DKFZ), 69121 Heidelberg, Germany
| | - Roland Windisch
- Department of Transfusion Medicine, Cell Therapeutics and Hemostasis, University Hospital, LMU Munich, 81377 Munich, Germany
| | - Paul Kerbs
- Department of Medicine III, University Hospital, LMU Munich, 81377 Munich, Germany; German Cancer Consortium (DKTK), partner site Munich, 81377 Munich, Germany; German Cancer Research Center (DKFZ), 69121 Heidelberg, Germany
| | - Sayantanee Dutta
- Department of Medicine III, University Hospital, LMU Munich, 81377 Munich, Germany; German Cancer Consortium (DKTK), partner site Munich, 81377 Munich, Germany; German Cancer Research Center (DKFZ), 69121 Heidelberg, Germany
| | - Theresa Sippenauer
- Technical University of Munich, Department of Internal Medicine III, Munich, Germany
| | - Rouzanna Istvánffy
- Technical University of Munich, Department of Internal Medicine III, Munich, Germany
| | - Robert A J Oostendorp
- Technical University of Munich, Department of Internal Medicine III, Munich, Germany
| | - Linping Chen-Wichmann
- Department of Transfusion Medicine, Cell Therapeutics and Hemostasis, University Hospital, LMU Munich, 81377 Munich, Germany
| | - Tobias Herold
- Department of Medicine III, University Hospital, LMU Munich, 81377 Munich, Germany; German Cancer Consortium (DKTK), partner site Munich, 81377 Munich, Germany; German Cancer Research Center (DKFZ), 69121 Heidelberg, Germany
| | - Monica Cusan
- Department of Medicine III, University Hospital, LMU Munich, 81377 Munich, Germany
| | - Gunnar Schotta
- Molecular Biology Division, Biomedical Center, Ludwig-Maximilians-University, Munich, Germany
| | - Christian Wichmann
- Department of Transfusion Medicine, Cell Therapeutics and Hemostasis, University Hospital, LMU Munich, 81377 Munich, Germany
| | - Philipp A Greif
- Department of Medicine III, University Hospital, LMU Munich, 81377 Munich, Germany; German Cancer Consortium (DKTK), partner site Munich, 81377 Munich, Germany; German Cancer Research Center (DKFZ), 69121 Heidelberg, Germany.
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23
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Reckzeh K, Estruch M, Ali M, Søgaard Helbo A, Mosbech A, Jae Won K, Rücker F, Döhner K, Theilgaard-Mönch K. TET2 deficiency cooperates with CBFB-MYH11 to induce acute myeloid leukaemia and represents an early leukaemogenic event. Br J Haematol 2022; 197:201-206. [PMID: 35128634 DOI: 10.1111/bjh.18027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2021] [Revised: 11/26/2021] [Accepted: 12/16/2021] [Indexed: 12/01/2022]
Affiliation(s)
- Kristian Reckzeh
- The Finsen Laboratory, Rigshospitalet/National Univ. Hospital, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark.,Biotech Research and Innovation Centre, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark.,Novo Nordisk Foundation Centre for Stem Cell Biology, DanStem, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Montserrat Estruch
- The Finsen Laboratory, Rigshospitalet/National Univ. Hospital, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark.,Biotech Research and Innovation Centre, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Mina Ali
- Biotech Research and Innovation Centre, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark.,Novo Nordisk Foundation Centre for Stem Cell Biology, DanStem, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | | | | | - Kyoung Jae Won
- Biotech Research and Innovation Centre, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark.,Novo Nordisk Foundation Centre for Stem Cell Biology, DanStem, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Frank Rücker
- Department of Internal Medicine III, University Hospital of Ulm, University of Ulm, Ulm, Germany
| | - Konstanze Döhner
- Department of Internal Medicine III, University Hospital of Ulm, University of Ulm, Ulm, Germany
| | - Kim Theilgaard-Mönch
- The Finsen Laboratory, Rigshospitalet/National Univ. Hospital, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark.,Biotech Research and Innovation Centre, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark.,Novo Nordisk Foundation Centre for Stem Cell Biology, DanStem, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark.,Department of Hematology, Rigshospitalet/National Univ. Hospital, University of Copenhagen, Copenhagen, Denmark
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24
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Niu C, Wu D, Li AJ, Qin KH, Hu DA, Wang EJ, Tucker AB, He F, Huang L, Wang H, Liu Q, Ni N, Shi D, Zhao X, Wan Y, Li T, He T, Liao P. Identification of a prognostic signature based on copy number variations (CNVs) and CNV-modulated gene expression in acute myeloid leukemia. Am J Transl Res 2021; 13:13683-13696. [PMID: 35035707 PMCID: PMC8748127] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2021] [Accepted: 11/09/2021] [Indexed: 06/14/2023]
Abstract
OBJECTIVES Acute myeloid leukemia (AML) is caused by multiple genetic alterations in hematopoietic progenitors, and molecular genetic analyses have provided useful information for AML diagnosis and prognostication. This study aimed to integratively understand the prognostic value of specific copy number variation (CNV) patterns and CNV-modulated gene expression in AML. METHODS We conducted integrative CNV profiling and gene expression analysis using data from the Therapeutically Applicable Research To Generate Effective Treatments (TARGET) and The Cancer Genome Atlas (TCGA) AML cohorts. CNV-related genes associated with survival were identified using the TARGET AML cohort and validated using the TCGA AML cohort. Genes whose CNV-modulated expression was associated with survival were also identified using the TARGET AML cohort and validated using the TCGA AML cohort, and patient bone marrow samples were then used to further validate the effects of CNV-modulated gene expression on survival. CNV and mRNA survival analyses were conducted using proportional hazards regression models (Cox regression) and the "survminer" and "survival" packages of the R Project for Statistical Computing. Genes belonging to the Kyoto Encyclopedia of Genes and Genomes (KEGG) cancer panel were extracted from KEGG cancer-related pathways. RESULTS One hundred two CNV-related genes (located at 7q31-34, 16q24) associated with patient survival were identified using the TARGET cohort and validated with the TCGA AML cohort. Among these 102 validated genes, three miRNA genes (MIR29A, MIR183, and MIR335) were included in the KEGG cancer panel. Five genes (SEMA4D, CBFB, CHAF1B, SAE1, and DNMT1) whose expression was modulated by CNVs and significantly associated with clinical outcomes were identified, and the deletion of SEMA4D and CBFB was found to potentially exert protective effects against AML. The results of these five genes were also validated using patient marrow samples. Additionally, the distribution of CNVs affecting these five CNV-modulated genes was independent of the risk group (favorable-, intermediate-, and adverse-risk groups). CONCLUSIONS Overall, this study identified 102 CNV-related genes associated with patient survival and identified five genes whose expression was modulated by CNVs and associated with patient survival. Our findings are crucial for the development of new modes of prognosis evaluation and targeted therapy for AML.
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Affiliation(s)
- Changchun Niu
- Department of Laboratory Diagnostic Medicine, The Affiliated Chongqing Hospital of The University of Chinese Academy of Sciences, Chongqing General HospitalChongqing 400021, China
- Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical CenterChicago, IL 60637, USA
| | - Di Wu
- Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical CenterChicago, IL 60637, USA
| | - Alexander J Li
- Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical CenterChicago, IL 60637, USA
| | - Kevin H Qin
- Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical CenterChicago, IL 60637, USA
| | - Daniel A Hu
- Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical CenterChicago, IL 60637, USA
| | - Eric J Wang
- Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical CenterChicago, IL 60637, USA
| | - Andrew Blake Tucker
- Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical CenterChicago, IL 60637, USA
| | - Fang He
- Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical CenterChicago, IL 60637, USA
| | - Linjuan Huang
- Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical CenterChicago, IL 60637, USA
| | - Hao Wang
- Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical CenterChicago, IL 60637, USA
| | - Qing Liu
- Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical CenterChicago, IL 60637, USA
| | - Na Ni
- Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical CenterChicago, IL 60637, USA
| | - Deyao Shi
- Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical CenterChicago, IL 60637, USA
| | - Xia Zhao
- Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical CenterChicago, IL 60637, USA
| | - Yafang Wan
- Department of Laboratory Diagnostic Medicine, The Affiliated Chongqing Hospital of The University of Chinese Academy of Sciences, Chongqing General HospitalChongqing 400021, China
| | - Tian Li
- Department of Laboratory Diagnostic Medicine, The Affiliated Chongqing Hospital of The University of Chinese Academy of Sciences, Chongqing General HospitalChongqing 400021, China
| | - Tongchuan He
- Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical CenterChicago, IL 60637, USA
| | - Pu Liao
- Department of Laboratory Diagnostic Medicine, The Affiliated Chongqing Hospital of The University of Chinese Academy of Sciences, Chongqing General HospitalChongqing 400021, China
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25
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Mori A, Onozawa M, Hidaka D, Yokoyama S, Miyajima T, Yokoyama E, Ogasawara R, Izumiyama K, Saito M, Fujisawa S, Ota S, Kakinoki Y, Tsutsumi Y, Yamamoto S, Miyagishima T, Nagashima T, Iwasaki H, Kobayashi H, Haseyama Y, Kurosawa M, Morioka M, Teshima T, Kondo T. Non-age-related neoplastic loss of sex chromosome correlated with prolonged survival in real-world CBF-AML patients. Int J Hematol 2021; 115:188-197. [PMID: 34739701 DOI: 10.1007/s12185-021-03238-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2021] [Revised: 10/12/2021] [Accepted: 10/12/2021] [Indexed: 11/25/2022]
Abstract
In this real-world clinical study, in which we determined eligibility for allogenic hematopoietic stem cell transplantation by prognostic factors and minimal residual disease status, we retrospectively evaluated cytogenetic, genetic, and clinical features in 96 patients with core-binding factor acute myeloid leukemia (CBF-AML) including 62 patients with RUNX1/RUNX1T1 and 34 patients with CBFβ/MYH11. Multivariate analyses for 5-year overall survival (OS) in CBF-AML patients revealed that age of 50 years or older (HR: 3.46, 95% CI 1.47-8.11, P = 0.004) and receiving 2 or more induction cycles (HR: 3.55, 95% CI 1.57-8.05, P = 0.002) were independently associated with worse OS and that loss of sex chromosome (LOS) was independently associated with better OS (HR: 0.09, 95% CI 0.01-0.71, P = 0.022). At the time of complete remission, all 21 karyotyped patients with LOS had a normal karyotype. Furthermore, in all 9 patients with LOS who had a mosaic of metaphase cells with and without t(8;21) or inv(16), the metaphase cells without t(8;21)/inv(16) showed a normal karyotype. These results proved that LOS was not age-related and physiological, but rather a neoplastic chromosomal abnormality.
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Affiliation(s)
- Akio Mori
- Blood Disorders Center, Aiiku Hospital, S4W25, Chuo-ku, Sapporo, 064-0804, Japan.
| | - Masahiro Onozawa
- Department of Hematology, Graduate School of Medicine, Hokkaido University Faculty of Medicine, Sapporo, Japan
| | - Daisuke Hidaka
- Department of Hematology, Graduate School of Medicine, Hokkaido University Faculty of Medicine, Sapporo, Japan
| | - Shota Yokoyama
- Department of Hematology, Graduate School of Medicine, Hokkaido University Faculty of Medicine, Sapporo, Japan
| | - Toru Miyajima
- Blood Disorders Center, Aiiku Hospital, S4W25, Chuo-ku, Sapporo, 064-0804, Japan
| | - Emi Yokoyama
- Blood Disorders Center, Aiiku Hospital, S4W25, Chuo-ku, Sapporo, 064-0804, Japan
| | - Reiki Ogasawara
- Blood Disorders Center, Aiiku Hospital, S4W25, Chuo-ku, Sapporo, 064-0804, Japan
| | - Koh Izumiyama
- Blood Disorders Center, Aiiku Hospital, S4W25, Chuo-ku, Sapporo, 064-0804, Japan
| | - Makoto Saito
- Blood Disorders Center, Aiiku Hospital, S4W25, Chuo-ku, Sapporo, 064-0804, Japan
| | - Shinichi Fujisawa
- Division of Laboratory and Transfusion Medicine, Hokkaido University Hospital, Sapporo, Japan
| | - Shuichi Ota
- Department of Hematology, Sapporo Hokuyu Hospital, Sapporo, Japan
| | | | - Yutaka Tsutsumi
- Department of Hematology, Hakodate Municipal Hospital, Hakodate, Japan
| | - Satoshi Yamamoto
- Department of Hematology, Sapporo City General Hospital, Sapporo, Japan
| | | | - Takahiro Nagashima
- Department of Internal Medicine/General Medicine, Kitami Red Cross Hospital, Kitami, Japan
| | - Hiroshi Iwasaki
- Department of Hematology, Sapporo Kosei General Hospital, Sapporo, Japan
| | - Hajime Kobayashi
- Department of Hematology, Obihiro Kosei Hospital, Obihiro, Japan
| | | | - Mitsutoshi Kurosawa
- Department of Hematology, National Hospital Organization Hokkaido Cancer Center, Sapporo, Japan
| | - Masanobu Morioka
- Blood Disorders Center, Aiiku Hospital, S4W25, Chuo-ku, Sapporo, 064-0804, Japan
| | - Takanori Teshima
- Department of Hematology, Graduate School of Medicine, Hokkaido University Faculty of Medicine, Sapporo, Japan
- Division of Laboratory and Transfusion Medicine, Hokkaido University Hospital, Sapporo, Japan
| | - Takeshi Kondo
- Blood Disorders Center, Aiiku Hospital, S4W25, Chuo-ku, Sapporo, 064-0804, Japan
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26
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Zhang W, Wang H, Zhang P, Li H, Ma X, Liu H. Rare type I CBFβ/MYH11 fusion transcript in primary acute myeloid leukemia with inv(16)(p13.1q22): a case report. ACTA ACUST UNITED AC 2021; 54:e11605. [PMID: 34730684 PMCID: PMC8555453 DOI: 10.1590/1414-431x2021e11605] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2021] [Accepted: 09/03/2021] [Indexed: 11/22/2022]
Abstract
Inv(16)(p13.1q22) in acute myeloid leukemia (AML) is a common chromosomal abnormality. It leads to the core-binding factor ß-subunit (CBFβ)/smooth muscle myosin heavy chain 11 (MYH11) fusion gene. Different breakpoints were observed in the CBFβ gene at 16q22 and the MYH11 gene at 16p13.1. For this reason, different CBFβ/MYH11 fusion genes are generated, with more than 13 types having been reported to date. Type I CBFβ/MYH11 fusion transcripts are very rare, with only 10 cases being reported to date. This case report describes a primary AML patient with inv(16)(p13.1q22) and a rare type I CBFβ/MYH11 fusion gene. The morphological analysis did not conform to the typical M4eo. Abnormal eosinophils were less than 5%, and there was obvious dysgranulopoiesis. The patient was in hematological and genetic remission for 487 days after the initial chemotherapy cycles. However, the CBFβ/MYH11 fusion had been constantly positive. Moreover, the presence of non-type A fusions may affect its biology and clinical prognosis. Therefore, further studies on understanding its biological and prognostic significance are essential.
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Affiliation(s)
- Wenyi Zhang
- Department of Clinical Laboratory, Traditional Chinese Medical Hospital of Langfang City, Langfang, Hebei, China
| | - Hainan Wang
- Department of Medical Hematology, Traditional Chinese Medical Hospital of Langfang City, Langfang, Hebei, China
| | - Peilei Zhang
- Department of Clinical Laboratory, Traditional Chinese Medical Hospital of Langfang City, Langfang, Hebei, China
| | - Hongliang Li
- Department of Clinical Laboratory, Traditional Chinese Medical Hospital of Langfang City, Langfang, Hebei, China
| | - Xiaoli Ma
- Division of Pathology and Laboratory Medicine, Hebei Yanda Lu Daopei Hospital, Langfang, Hebei, China
| | - Hongxing Liu
- Division of Pathology and Laboratory Medicine, Hebei Yanda Lu Daopei Hospital, Langfang, Hebei, China
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van der Kouwe E, Heller G, Czibere A, Pulikkan JA, Agreiter C, Castilla LH, Delwel R, Di Ruscio A, Ebralidze AK, Forte M, Grebien F, Heyes E, Kazianka L, Klinger J, Kornauth C, Le T, Lind K, Barbosa IAM, Pemovska T, Pichler A, Schmolke AS, Schweicker CM, Sill H, Sperr WR, Spittler A, Surapally S, Trinh BQ, Valent P, Vanura K, Welner RS, Zuber J, Tenen DG, Staber PB. Core-binding factor leukemia hijacks the T-cell-prone PU.1 antisense promoter. Blood 2021; 138:1345-1358. [PMID: 34010414 PMCID: PMC8525333 DOI: 10.1182/blood.2020008971] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2020] [Accepted: 04/09/2021] [Indexed: 11/20/2022] Open
Abstract
The blood system serves as a key model for cell differentiation and cancer. It is orchestrated by precise spatiotemporal expression of crucial transcription factors. One of the key master regulators in the hematopoietic systems is PU.1. Reduced levels of PU.1 are characteristic for human acute myeloid leukemia (AML) and are known to induce AML in mouse models. Here, we show that transcriptional downregulation of PU.1 is an active process involving an alternative promoter in intron 3 that is induced by RUNX transcription factors driving noncoding antisense transcription. Core-binding factor (CBF) fusions RUNX1-ETO and CBFβ-MYH11 in t(8;21) and inv(16) AML, respectively, activate the PU.1 antisense promoter that results in a shift from sense toward antisense transcription and myeloid differentiation blockade. In patients with CBF-AML, we found that an elevated antisense/sense transcript and promoter accessibility ratio represents a hallmark compared with normal karyotype AML or healthy CD34+ cells. Competitive interaction of an enhancer with the proximal or the antisense promoter forms a binary on/off switch for either myeloid or T-cell development. Leukemic CBF fusions thus use a physiological mechanism used by T cells to decrease sense transcription. Our study is the first example of a sense/antisense promoter competition as a crucial functional switch for gene expression perturbation by oncogenes. Hence, this disease mechanism reveals a previously unknown Achilles heel for future precise therapeutic targeting of oncogene-induced chromatin remodeling.
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Affiliation(s)
- E van der Kouwe
- Department of Medicine I, Division of Hematology and Hemostaseology, and
| | - G Heller
- Department of Medicine I, Division of Oncology, Medical University of Vienna, Vienna, Austria
| | | | | | - C Agreiter
- Department of Medicine I, Division of Hematology and Hemostaseology, and
| | - L H Castilla
- Department of Molecular, Cell and Cancer Biology, University of Massachusetts Medical School, Worcester, MA
| | - R Delwel
- Department of Hematology, Erasmus University Medical Center, Rotterdam, The Netherlands
- Oncode Institute, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - A Di Ruscio
- Cancer Research Institute, Beth Israel Deaconess Medical Center, Boston, MA
- Harvard Medical School Initiative for RNA Medicine, Harvard Medical School, Boston, MA
- Department of Translational Medicine, University of Eastern Piedmont, Novara, Italy
| | - A K Ebralidze
- Harvard Stem Cell Institute, Harvard Medical School, Boston, MA
| | - M Forte
- Department of Medicine I, Division of Hematology and Hemostaseology, and
| | - F Grebien
- Institute for Medical Biochemistry, University of Veterinary Medicine Vienna, Vienna, Austria
| | - E Heyes
- Institute for Medical Biochemistry, University of Veterinary Medicine Vienna, Vienna, Austria
| | - L Kazianka
- Department of Medicine I, Division of Hematology and Hemostaseology, and
| | - J Klinger
- Department of Medicine I, Division of Hematology and Hemostaseology, and
| | - C Kornauth
- Department of Medicine I, Division of Hematology and Hemostaseology, and
| | - T Le
- Department of Medicine I, Division of Hematology and Hemostaseology, and
| | - K Lind
- Department of Internal Medicine, Division of Hematology, Medical University of Graz, Graz, Austria
| | - I A M Barbosa
- Research Institute of Molecular Pathology (IMP), Vienna BioCenter (VBC), Vienna, Austria
| | - T Pemovska
- Department of Medicine I, Division of Hematology and Hemostaseology, and
| | - A Pichler
- Department of Medicine I, Division of Hematology and Hemostaseology, and
| | - A-S Schmolke
- Department of Medicine I, Division of Hematology and Hemostaseology, and
| | - C M Schweicker
- Department of Medicine I, Division of Hematology and Hemostaseology, and
| | - H Sill
- Department of Internal Medicine, Division of Hematology, Medical University of Graz, Graz, Austria
| | - W R Sperr
- Department of Medicine I, Division of Hematology and Hemostaseology, and
| | - A Spittler
- Core Facility Flow Cytometry and Surgical Research Laboratories, and
| | - S Surapally
- Versiti Blood Research Institute, Milwaukee, WI
| | - B Q Trinh
- Harvard Stem Cell Institute, Harvard Medical School, Boston, MA
| | - P Valent
- Department of Medicine I, Division of Hematology and Hemostaseology, and
- Ludwig Boltzmann Institute for Hematology and Oncology, Medical University of Vienna, Vienna, Austria
| | - K Vanura
- Department of Medicine I, Division of Hematology and Hemostaseology, and
| | - R S Welner
- Division of Hematology/Oncology, University of Alabama at Birmingham, Birmingham, AL; and
| | - J Zuber
- Research Institute of Molecular Pathology (IMP), Vienna BioCenter (VBC), Vienna, Austria
| | - D G Tenen
- Harvard Stem Cell Institute, Harvard Medical School, Boston, MA
- Cancer Science Institute, National University of Singapore, Singapore
| | - P B Staber
- Department of Medicine I, Division of Hematology and Hemostaseology, and
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Delvecchio VS, Fierro C, Giovannini S, Melino G, Bernassola F. Emerging roles of the HECT-type E3 ubiquitin ligases in hematological malignancies. Discov Oncol 2021; 12:39. [PMID: 35201500 PMCID: PMC8777521 DOI: 10.1007/s12672-021-00435-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/18/2021] [Accepted: 09/13/2021] [Indexed: 02/07/2023] Open
Abstract
Ubiquitination-mediated proteolysis or regulation of proteins, ultimately executed by E3 ubiquitin ligases, control a wide array of cellular processes, including transcription, cell cycle, autophagy and apoptotic cell death. HECT-type E3 ubiquitin ligases can be distinguished from other subfamilies of E3 ubiquitin ligases because they have a C-terminal HECT domain that directly catalyzes the covalent attachment of ubiquitin to their substrate proteins. Deregulation of HECT-type E3-mediated ubiquitination plays a prominent role in cancer development and chemoresistance. Several members of this subfamily are indeed frequently deregulated in human cancers as a result of genetic mutations and altered expression or activity. HECT-type E3s contribute to tumorigenesis by regulating the ubiquitination rate of substrates that function as either tumour suppressors or oncogenes. While the pathological roles of the HECT family members in solid tumors are quite well established, their contribution to the pathogenesis of hematological malignancies has only recently emerged. This review aims to provide a comprehensive overview of the involvement of the HECT-type E3s in leukemogenesis.
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Affiliation(s)
- Vincenza Simona Delvecchio
- Department of Experimental Medicine, TOR, University of Rome “Tor Vergata”, Via Montpellier 1, 00133 Rome, Italy
| | - Claudia Fierro
- Department of Experimental Medicine, TOR, University of Rome “Tor Vergata”, Via Montpellier 1, 00133 Rome, Italy
| | - Sara Giovannini
- Department of Experimental Medicine, TOR, University of Rome “Tor Vergata”, Via Montpellier 1, 00133 Rome, Italy
| | - Gerry Melino
- Department of Experimental Medicine, TOR, University of Rome “Tor Vergata”, Via Montpellier 1, 00133 Rome, Italy
| | - Francesca Bernassola
- Department of Experimental Medicine, TOR, University of Rome “Tor Vergata”, Via Montpellier 1, 00133 Rome, Italy
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29
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All-trans retinoic acid induces differentiation in primary acute myeloid leukemia blasts carrying an inversion of chromosome 16. Int J Hematol 2021; 115:43-53. [PMID: 34546543 DOI: 10.1007/s12185-021-03224-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2021] [Revised: 09/10/2021] [Accepted: 09/13/2021] [Indexed: 10/20/2022]
Abstract
All-trans retinoic acid (ATRA)-based therapy for acute promyelocytic leukemia (APL), a subtype of acute myeloid leukemia (AML), is the most successful example of differentiation therapy. Although ATRA can induce differentiation in some non-APL AML cell lines and primary blasts, clinical results of adding ATRA to standard therapy in non-APL AML patients have been inconsistent, probably due to use of different regimens and lack of diagnostic tools for identifying which patients may be sensitive to ATRA. In this study, we exposed primary blasts obtained from non-APL AML patients to ATRA to test for differentiation potential in vitro. We observed increased expression of differentiation markers, indicating a response to ATRA, in four out of fifteen primary AML samples. Three samples in which CD11b increased in response to ATRA had an inversion of chromosome 16 as well as the CBFB-MYH11 fusion gene, and the fourth sample was from a patient with KMT2A-rearranged, therapy-related AML. In conclusion, we identified a subgroup of non-APL AML patients with inv(16) and CBFB-MYH11 as the most sensitive to ATRA-mediated differentiation in vitro, and our results can help identify patients who may benefit from ATRA treatment.
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Prognostic of Core Binding Factor (CBF) Acute Myeloid Leukemia With Complex Karyotype. CLINICAL LYMPHOMA MYELOMA & LEUKEMIA 2021; 22:e199-e205. [PMID: 34674982 DOI: 10.1016/j.clml.2021.09.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/11/2021] [Revised: 09/03/2021] [Accepted: 09/08/2021] [Indexed: 11/21/2022]
Abstract
BACKGROUND Core-binding factor acute myeloid leukemia (CBF AML) with recurrent genetic abnormalities inv(16)(p13.1q22) or t(16;16)(p13.1;q22)/ CBFB-MYH11 are usually prognostically favorable but heterogeneous group and additional abnormalities change their prognosis. MATERIALS AND METHODS To evaluate the impact of a complex karyotype on CBF AML prognosis, we included 24 patients with a median age of 56.4 years (23.2-83.3) and a median number of abnormalities of 5 (4-13). RESULTS Median follow-up was 110.4 months. Among patients with a primary clone, complete remission (CR) was reached in 66.7% of patients. 31.3% of patients experienced AML relapse with a median of 8.5 months. Median OS for transplanted patients was 80.7 versus 40.5 months for non-transplanted patients, excluding the 4 patients with early death. Among patients harboring AML with clonal evolution, CR was reached in 62.5% of patients. 50% of patients underwent allogeneic stem cell transplantation (ASCT). In these, median RFS was 19.3 versus 0 months in non-transplanted patients. Median OS seemed also longer in transplanted patients with 23.5 versus 2.95 months in non-transplanted. CONCLUSION Use of new treatment and tailored strategy based on measurable residual disease monitoring may now improve these results. However, these data allow us to reconsider the good prognosis historically associated with CBF patients despite of karyotype and the place of ASCT in the strategy.
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31
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Jann JC, Tothova Z. Cohesin mutations in myeloid malignancies. Blood 2021; 138:649-661. [PMID: 34157074 PMCID: PMC8394903 DOI: 10.1182/blood.2019004259] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2021] [Accepted: 05/24/2021] [Indexed: 12/25/2022] Open
Abstract
Cohesin is a multisubunit protein complex that forms a ring-like structure around DNA. It is essential for sister chromatid cohesion, chromatin organization, transcriptional regulation, and DNA damage repair and plays a major role in dynamically shaping the genome architecture and maintaining DNA integrity. The core complex subunits STAG2, RAD21, SMC1, and SMC3, as well as its modulators PDS5A/B, WAPL, and NIPBL, have been found to be recurrently mutated in hematologic and solid malignancies. These mutations are found across the full spectrum of myeloid neoplasia, including pediatric Down syndrome-associated acute megakaryoblastic leukemia, myelodysplastic syndromes, chronic myelomonocytic leukemia, and de novo and secondary acute myeloid leukemias. The mechanisms by which cohesin mutations act as drivers of clonal expansion and disease progression are still poorly understood. Recent studies have described the impact of cohesin alterations on self-renewal and differentiation of hematopoietic stem and progenitor cells, which are associated with changes in chromatin and epigenetic state directing lineage commitment, as well as genomic integrity. Herein, we review the role of the cohesin complex in healthy and malignant hematopoiesis. We discuss clinical implications of cohesin mutations in myeloid malignancies and discuss opportunities for therapeutic targeting.
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Affiliation(s)
- Johann-Christoph Jann
- Department of Hematology and Oncology, University of Heidelberg, Mannheim, Germany; and
| | - Zuzana Tothova
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA
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32
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[Prognostic value of KIT and other clonal genetic mutations in core-binding factor acute myeloid leukemia]. ZHONGHUA XUE YE XUE ZA ZHI = ZHONGHUA XUEYEXUE ZAZHI 2021; 42:646-653. [PMID: 34547870 PMCID: PMC8501271 DOI: 10.3760/cma.j.issn.0253-2727.2021.08.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
目的 评价基于二代测序(NGS)检测技术下的克隆性基因突变对核心结合因子相关急性髓系白血病(CBF-AML)预后的影响。 方法 回顾性分析2011年7月至2017年8月在苏州大学附属第一医院血液科诊治的195例成人初治CBF-AML患者,其中诱导化疗达完全缓解的患者190例,包括134例RUNX1-RUNXIT1+ AML和56例CBFβ-MYH11+ AML,年龄15~64岁,中位随访时间43.6个月。采用Log-rank检验和Cox回归模型分析临床因素和基因突变对患者总生存(OS)和无病生存(DFS)的影响。 结果 在195例患者中,KIT基因突变发生率最高(47.6%),其次为NRAS(20.0%)、FLT3(18.4%)、ASXL2(14.3%)、KRAS(10.7%)、ASXL1(9.7%)。按基因功能分类,酪氨酸激酶信号通路基因突变发生率最高(76.4%),其次为染色质修饰相关基因(29.7%)。在接受强化巩固治疗的患者中,CBFβ-MYH11+ AML患者的OS有优于RUNX1-RUNXIT1+ AML患者的趋势(P=0.062)。染色质修饰相关基因突变仅在RUNX1-RUNXIT1+ AML中检出,但对患者的DFS无明显影响(P=0.557)。染色质修饰相关基因突变阳性且接受异基因造血干细胞移植(allo-HSCT)的患者预后最好。多因素分析显示KIT exon17突变为影响RUNX1-RUNXIT1+ AML患者DFS的独立危险因素(P<0.001),allo-HSCT能明显改善RUNX1-RUNXIT1+ AML患者的DFS(P=0.010)。 结论 合并KIT exon17突变的RUNX1-RUNXIT1+ AML患者预后差,allo-HSCT可改善这部分患者的预后,allo-HSCT也能使染色质修饰相关基因突变阳性患者的预后得到改善。
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Kayser S, Kramer M, Martínez-Cuadrón D, Grenet J, Metzeler KH, Sustkova Z, Luskin MR, Brunner AM, Elliott MA, Gil C, Marini SC, Ráčil Z, Cetkovsky P, Novak J, Perl AE, Platzbecker U, Stölzel F, Ho AD, Thiede C, Stone RM, Röllig C, Montesinos P, Schlenk RF, Levis MJ. Characteristics and outcome of patients with core-binding factor acute myeloid leukemia and FLT3-ITD: results from an international collaborative study. Haematologica 2021; 107:836-843. [PMID: 34348451 PMCID: PMC8968900 DOI: 10.3324/haematol.2021.278645] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2021] [Indexed: 02/02/2023] Open
Abstract
The aim of this study was to evaluate the prognostic impact of FLT3-ITD in core-binding factor acute myeloid leukemia (CBFAML) in an international, multicenter survey of 97 patients of whom 52% had t(8;21)(q22;q22) and 48% had inv(16)(p13q22)/t(16;16)(p13;q22). The median age of the patients was 53 years (range, 19-81). Complete remission after anthracycline-based induction (n=86) and non-intensive therapy (n=11) was achieved in 97% and 36% of the patients, respectively. The median follow-up was 4.43 years (95% confidence interval [95% CI]: 3.35-7.39 years). The median survival after intensive and non-intensive treatment was not reached and 0.96 years, respectively. Among intensively treated patients, inv(16) with trisomy 22 (n=11) was associated with a favorable 4-year relapse-free survival rate of 80% (95% CI: 59-100%) as compared to 38% (95% CI: 27-54%; P=0.02) in all other patients with CBFAML/ FLT3-ITD (n=75). Overall, 24 patients underwent allogeneic hematopoietic cell transplantation (HCT), 12 in first complete remission and 12 after relapse. Allogeneic HCT in first complete remission was not beneficial (P=0.60); however, allogeneic HCT seemed to improve median survival in relapsed patients compared to that of patients treated with chemotherapy (not reached vs. 0.6 years, respectively; P=0.002). Excluding patients with inv(16) with trisomy 22, our data indicate that compathe outcome of CBF-AML patients with FLT3-ITD may be inferior to that of patients without FLT3-ITD (based on previously published data), suggesting that prognostically CBF-AML patients with FLT3-ITD should not be classified as favorable-risk. FLT3-inhibitors may improve the outcome of these patients.
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Affiliation(s)
- Sabine Kayser
- Medical Clinic and Policlinic I, Hematology and Cellular Therapy, University Hospital Leipzig, Leipzig, Germany,NCT Trial Center, National Center of Tumor Diseases, German Cancer Research Center (DKFZ), Heidelberg, Germany,Department of Internal Medicine V, Heidelberg University Hospital, Heidelberg, Germany,SABINE KAYSER
| | - Michael Kramer
- Department of Medicine I, University Hospital Carl-Gustav-Carus, Dresden, Germany
| | - David Martínez-Cuadrón
- Hematology Department, Hospital Universitari i Politècnic, La Fe, València, Spain,CIBERONC, Instituto Carlos III, Madrid, Spain
| | - Justin Grenet
- Division of Hematology & Oncology, Abramson Cancer Center, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
| | - Klaus H. Metzeler
- Medical Clinic and Policlinic I, Hematology and Cellular Therapy, University Hospital Leipzig, Leipzig, Germany,Laboratory for Leukemia Diagnostics, Department of Medicine III, University Hospital, LMU Munich, Munich, Germany
| | - Zuzana Sustkova
- Department of Internal Medicine, Hematology and Oncology, Masaryk University and University Hospital Brno, Brno, Czech Republic
| | - Marlise R. Luskin
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA, USA
| | | | - Michelle A. Elliott
- Division of Hematology, Department of Internal Medicine, Mayo Clinic, Rochester, MN, USA
| | | | - Sandra Casal Marini
- Department of Clinical Haematology, Centro Hospitalar e Universitário de Coimbra, Coimbra, Portugal
| | - Zdeněk Ráčil
- Department of Internal Medicine, Hematology and Oncology, Masaryk University and University Hospital Brno, Brno, Czech Republic,Institute of Hematology and Blood Transfusion, Prague, Czech Republic
| | - Petr Cetkovsky
- Department of Internal Medicine and Haematology, 3 Faculty of Medicine, Charles University and Faculty Hospital Kralovske Vinohrady, Prague, Czech Republic
| | - Jan Novak
- Institute of Hematology and Blood Transfusion, Prague, Czech Republic
| | - Alexander E. Perl
- Division of Hematology & Oncology, Abramson Cancer Center, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
| | - Uwe Platzbecker
- Medical Clinic and Policlinic I, Hematology and Cellular Therapy, University Hospital Leipzig, Leipzig, Germany
| | - Friedrich Stölzel
- Department of Medicine I, University Hospital Carl-Gustav-Carus, Dresden, Germany
| | - Anthony D. Ho
- Department of Internal Medicine V, Heidelberg University Hospital, Heidelberg, Germany
| | - Christian Thiede
- Department of Medicine I, University Hospital Carl-Gustav-Carus, Dresden, Germany
| | - Richard M. Stone
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA, USA
| | - Christoph Röllig
- Department of Medicine I, University Hospital Carl-Gustav-Carus, Dresden, Germany
| | - Pau Montesinos
- Hematology Department, Hospital Universitari i Politècnic, La Fe, València, Spain,CIBERONC, Instituto Carlos III, Madrid, Spain
| | - Richard F. Schlenk
- NCT Trial Center, National Center of Tumor Diseases, German Cancer Research Center (DKFZ), Heidelberg, Germany,Department of Internal Medicine V, Heidelberg University Hospital, Heidelberg, Germany,Department of Medical Oncology, National Center for Tumor Diseases (NCT), Heidelberg University Hospital, Heidelberg, Germany,RFS and MJL contributed equally as co-senior authors
| | - Mark J. Levis
- Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University, Baltimore, MD, USA,RFS and MJL contributed equally as co-senior authors
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34
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Talami A, Bettelli F, Pioli V, Giusti D, Gilioli A, Colasante C, Galassi L, Giubbolini R, Catellani H, Donatelli F, Maffei R, Martinelli S, Barozzi P, Potenza L, Marasca R, Trenti T, Tagliafico E, Comoli P, Luppi M, Forghieri F. How to Improve Prognostication in Acute Myeloid Leukemia with CBFB-MYH11 Fusion Transcript: Focus on the Role of Molecular Measurable Residual Disease (MRD) Monitoring. Biomedicines 2021; 9:biomedicines9080953. [PMID: 34440157 PMCID: PMC8391269 DOI: 10.3390/biomedicines9080953] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Revised: 07/13/2021] [Accepted: 07/29/2021] [Indexed: 12/12/2022] Open
Abstract
Acute myeloid leukemia (AML) carrying inv(16)/t(16;16), resulting in fusion transcript CBFB-MYH11, belongs to the favorable-risk category. However, even if most patients obtain morphological complete remission after induction, approximately 30% of cases eventually relapse. While well-established clinical features and concomitant cytogenetic/molecular lesions have been recognized to be relevant to predict prognosis at disease onset, the independent prognostic impact of measurable residual disease (MRD) monitoring by quantitative real-time reverse transcriptase polymerase chain reaction (qRT-PCR), mainly in predicting relapse, actually supersedes other prognostic factors. Although the ELN Working Party recently indicated that patients affected with CBFB-MYH11 AML should have MRD assessment at informative clinical timepoints, at least after two cycles of intensive chemotherapy and after the end of treatment, several controversies could be raised, especially on the frequency of subsequent serial monitoring, the most significant MRD thresholds (most commonly 0.1%) and on the best source to be analyzed, namely, bone marrow or peripheral blood samples. Moreover, persisting low-level MRD positivity at the end of treatment is relatively common and not predictive of relapse, provided that transcript levels remain stably below specific thresholds. Rising MRD levels suggestive of molecular relapse/progression should thus be confirmed in subsequent samples. Further prospective studies would be required to optimize post-remission monitoring and to define effective MRD-based therapeutic strategies.
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Affiliation(s)
- Annalisa Talami
- Section of Hematology, Department of Medical and Surgical Sciences, University of Modena and Reggio Emilia, Azienda Ospedaliero-Universitaria di Modena, 41124 Modena, Italy; (A.T.); (F.B.); (V.P.); (D.G.); (A.G.); (C.C.); (L.G.); (R.G.); (H.C.); (F.D.); (R.M.); (S.M.); (P.B.); (L.P.); (R.M.)
| | - Francesca Bettelli
- Section of Hematology, Department of Medical and Surgical Sciences, University of Modena and Reggio Emilia, Azienda Ospedaliero-Universitaria di Modena, 41124 Modena, Italy; (A.T.); (F.B.); (V.P.); (D.G.); (A.G.); (C.C.); (L.G.); (R.G.); (H.C.); (F.D.); (R.M.); (S.M.); (P.B.); (L.P.); (R.M.)
| | - Valeria Pioli
- Section of Hematology, Department of Medical and Surgical Sciences, University of Modena and Reggio Emilia, Azienda Ospedaliero-Universitaria di Modena, 41124 Modena, Italy; (A.T.); (F.B.); (V.P.); (D.G.); (A.G.); (C.C.); (L.G.); (R.G.); (H.C.); (F.D.); (R.M.); (S.M.); (P.B.); (L.P.); (R.M.)
| | - Davide Giusti
- Section of Hematology, Department of Medical and Surgical Sciences, University of Modena and Reggio Emilia, Azienda Ospedaliero-Universitaria di Modena, 41124 Modena, Italy; (A.T.); (F.B.); (V.P.); (D.G.); (A.G.); (C.C.); (L.G.); (R.G.); (H.C.); (F.D.); (R.M.); (S.M.); (P.B.); (L.P.); (R.M.)
| | - Andrea Gilioli
- Section of Hematology, Department of Medical and Surgical Sciences, University of Modena and Reggio Emilia, Azienda Ospedaliero-Universitaria di Modena, 41124 Modena, Italy; (A.T.); (F.B.); (V.P.); (D.G.); (A.G.); (C.C.); (L.G.); (R.G.); (H.C.); (F.D.); (R.M.); (S.M.); (P.B.); (L.P.); (R.M.)
| | - Corrado Colasante
- Section of Hematology, Department of Medical and Surgical Sciences, University of Modena and Reggio Emilia, Azienda Ospedaliero-Universitaria di Modena, 41124 Modena, Italy; (A.T.); (F.B.); (V.P.); (D.G.); (A.G.); (C.C.); (L.G.); (R.G.); (H.C.); (F.D.); (R.M.); (S.M.); (P.B.); (L.P.); (R.M.)
| | - Laura Galassi
- Section of Hematology, Department of Medical and Surgical Sciences, University of Modena and Reggio Emilia, Azienda Ospedaliero-Universitaria di Modena, 41124 Modena, Italy; (A.T.); (F.B.); (V.P.); (D.G.); (A.G.); (C.C.); (L.G.); (R.G.); (H.C.); (F.D.); (R.M.); (S.M.); (P.B.); (L.P.); (R.M.)
| | - Rachele Giubbolini
- Section of Hematology, Department of Medical and Surgical Sciences, University of Modena and Reggio Emilia, Azienda Ospedaliero-Universitaria di Modena, 41124 Modena, Italy; (A.T.); (F.B.); (V.P.); (D.G.); (A.G.); (C.C.); (L.G.); (R.G.); (H.C.); (F.D.); (R.M.); (S.M.); (P.B.); (L.P.); (R.M.)
| | - Hillary Catellani
- Section of Hematology, Department of Medical and Surgical Sciences, University of Modena and Reggio Emilia, Azienda Ospedaliero-Universitaria di Modena, 41124 Modena, Italy; (A.T.); (F.B.); (V.P.); (D.G.); (A.G.); (C.C.); (L.G.); (R.G.); (H.C.); (F.D.); (R.M.); (S.M.); (P.B.); (L.P.); (R.M.)
| | - Francesca Donatelli
- Section of Hematology, Department of Medical and Surgical Sciences, University of Modena and Reggio Emilia, Azienda Ospedaliero-Universitaria di Modena, 41124 Modena, Italy; (A.T.); (F.B.); (V.P.); (D.G.); (A.G.); (C.C.); (L.G.); (R.G.); (H.C.); (F.D.); (R.M.); (S.M.); (P.B.); (L.P.); (R.M.)
| | - Rossana Maffei
- Section of Hematology, Department of Medical and Surgical Sciences, University of Modena and Reggio Emilia, Azienda Ospedaliero-Universitaria di Modena, 41124 Modena, Italy; (A.T.); (F.B.); (V.P.); (D.G.); (A.G.); (C.C.); (L.G.); (R.G.); (H.C.); (F.D.); (R.M.); (S.M.); (P.B.); (L.P.); (R.M.)
| | - Silvia Martinelli
- Section of Hematology, Department of Medical and Surgical Sciences, University of Modena and Reggio Emilia, Azienda Ospedaliero-Universitaria di Modena, 41124 Modena, Italy; (A.T.); (F.B.); (V.P.); (D.G.); (A.G.); (C.C.); (L.G.); (R.G.); (H.C.); (F.D.); (R.M.); (S.M.); (P.B.); (L.P.); (R.M.)
| | - Patrizia Barozzi
- Section of Hematology, Department of Medical and Surgical Sciences, University of Modena and Reggio Emilia, Azienda Ospedaliero-Universitaria di Modena, 41124 Modena, Italy; (A.T.); (F.B.); (V.P.); (D.G.); (A.G.); (C.C.); (L.G.); (R.G.); (H.C.); (F.D.); (R.M.); (S.M.); (P.B.); (L.P.); (R.M.)
| | - Leonardo Potenza
- Section of Hematology, Department of Medical and Surgical Sciences, University of Modena and Reggio Emilia, Azienda Ospedaliero-Universitaria di Modena, 41124 Modena, Italy; (A.T.); (F.B.); (V.P.); (D.G.); (A.G.); (C.C.); (L.G.); (R.G.); (H.C.); (F.D.); (R.M.); (S.M.); (P.B.); (L.P.); (R.M.)
| | - Roberto Marasca
- Section of Hematology, Department of Medical and Surgical Sciences, University of Modena and Reggio Emilia, Azienda Ospedaliero-Universitaria di Modena, 41124 Modena, Italy; (A.T.); (F.B.); (V.P.); (D.G.); (A.G.); (C.C.); (L.G.); (R.G.); (H.C.); (F.D.); (R.M.); (S.M.); (P.B.); (L.P.); (R.M.)
| | - Tommaso Trenti
- Department of Laboratory Medicine and Pathology, Unità Sanitaria Locale, 41126 Modena, Italy;
| | - Enrico Tagliafico
- Center for Genome Research, Department of Medical and Surgical Sciences, University of Modena and Reggio Emilia, Azienda Ospedaliero-Universitaria di Modena, 41124 Modena, Italy;
| | - Patrizia Comoli
- Pediatric Hematology/Oncology Unit and Cell Factory, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Policlinico San Matteo, 27100 Pavia, Italy;
| | - Mario Luppi
- Section of Hematology, Department of Medical and Surgical Sciences, University of Modena and Reggio Emilia, Azienda Ospedaliero-Universitaria di Modena, 41124 Modena, Italy; (A.T.); (F.B.); (V.P.); (D.G.); (A.G.); (C.C.); (L.G.); (R.G.); (H.C.); (F.D.); (R.M.); (S.M.); (P.B.); (L.P.); (R.M.)
- Correspondence: (M.L.); (F.F.); Tel.: +39-059-4222447 (F.F.); Fax: +39-059-4222386 (F.F.)
| | - Fabio Forghieri
- Section of Hematology, Department of Medical and Surgical Sciences, University of Modena and Reggio Emilia, Azienda Ospedaliero-Universitaria di Modena, 41124 Modena, Italy; (A.T.); (F.B.); (V.P.); (D.G.); (A.G.); (C.C.); (L.G.); (R.G.); (H.C.); (F.D.); (R.M.); (S.M.); (P.B.); (L.P.); (R.M.)
- Correspondence: (M.L.); (F.F.); Tel.: +39-059-4222447 (F.F.); Fax: +39-059-4222386 (F.F.)
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35
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Prognostic value of measurable residual disease at allogeneic transplantation for adults with core binding factor acute myeloid leukemia in complete remission. Bone Marrow Transplant 2021; 56:2779-2787. [PMID: 34272486 DOI: 10.1038/s41409-021-01409-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Accepted: 07/05/2021] [Indexed: 12/14/2022]
Abstract
Pretransplant measurable residual disease (MRD) has been shown to be associated with relapse incidence following allogeneic hematopoietic cell transplantation (HCT) for acute myeloid leukemia (AML). However, it remains less clear whether pretransplant MRD status affects transplant outcomes in core binding factor AML (CBF-AML). We retrospectively evaluated the effect of pretransplant MRD, which was measured by a polymerase chain reaction of RUNX1-RUNX1T1 or CBFB-MYH11 fusion transcripts, on transplant outcomes for a cohort of 959 adult patients with t(8;21) or inv(16) AML treated by allogeneic HCT during complete remission (CR), between 2000 and 2018. Multivariate analysis showed the absence of pretransplant MRD was significantly associated with lower relapse (hazard ratio [HR], 0.46; P < 0.001), treatment failure (HR, 0.66; P = 0.004), and overall mortality (HR, 0.72; P = 0.037) among patients with t(8;21). However, pretransplant MRD negativity was not associated with relapse (HR, 0.73; P = 0.420), treatment failure (HR, 0.64; P = 0.063), or overall mortality (HR, 0.69; P = 0.149) among patients with inv(16). In subgroup analysis, pretransplant MRD status significantly affected relapse and LFS only in patients with t(8;21) undergoing allogeneic HCT during CR2. In conclusion, our data demonstrate the different prognostic values of pretransplant MRD for CBF-AML, highlighting the need to develop effective therapeutic strategies for such MRD-positive patients.
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36
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Gene Transcription as a Therapeutic Target in Leukemia. Int J Mol Sci 2021; 22:ijms22147340. [PMID: 34298959 PMCID: PMC8304797 DOI: 10.3390/ijms22147340] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Revised: 07/02/2021] [Accepted: 07/05/2021] [Indexed: 12/11/2022] Open
Abstract
Blood malignancies often arise from undifferentiated hematopoietic stem cells or partially differentiated stem-like cells. A tight balance of multipotency and differentiation, cell division, and quiescence underlying normal hematopoiesis requires a special program governed by the transcriptional machinery. Acquisition of drug resistance by tumor cells also involves reprogramming of their transcriptional landscape. Limiting tumor cell plasticity by disabling reprogramming of the gene transcription is a promising strategy for improvement of treatment outcomes. Herein, we review the molecular mechanisms of action of transcription-targeted drugs in hematological malignancies (largely in leukemia) with particular respect to the results of clinical trials.
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37
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Prognostic values of D816V KIT mutation and peri-transplant CBFB-MYH11 MRD monitoring on acute myeloid leukemia with CBFB-MYH11. Bone Marrow Transplant 2021; 56:2682-2689. [PMID: 34183780 DOI: 10.1038/s41409-021-01384-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2021] [Revised: 06/09/2021] [Accepted: 06/16/2021] [Indexed: 11/08/2022]
Abstract
Given the controversies in the prognostic value of KIT mutations and optimal thresholds and time points of MRD monitoring for AML with CBFB-MYH11, we retrospectively evaluated 88 patients who underwent allogeneic hematopoietic stem cell transplantation (Allo-HSCT, n = 60) or autologous HSCT (Auto-HSCT, n = 28). The D816V KIT mutation was significantly associated with post-transplant relapse, contrasting with other types of mutations in KIT. Pre- and post-transplant (3 months after transplant) CBFB-MYH11 MRD assessments were useful in predicting post-transplant relapse and poor survival. The optimal threshold was determined as a 2 log reduction at both time points. In multivariate analysis, the D816V KIT mutation and CBFB-MYH11 MRD assessments were independently associated with post-transplant relapse and survival. Stratification by D816V KIT and pre-transplant CBFB-MYH11 MRD status further distinguished the risk of relapse and survival. Auto-HSCT was superior to Allo-HSCT in MRD negative patients without D816V KIT, while Allo-HSCT trended to be superior to Auto-HSCT in patients with MRD positivity or the D816V KIT mutation. In conclusion, this study demonstrated the differentiated prognostic value of the D816V KIT mutation in AML with CBFB-MYH11 and clarified optimal time points and thresholds for CBFB-MYH11 MRD monitoring in the setting of HSCT.
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Singh AK, Verma S, Kushwaha PP, Prajapati KS, Shuaib M, Kumar S, Gupta S. Role of ZBTB7A zinc finger in tumorigenesis and metastasis. Mol Biol Rep 2021; 48:4703-4719. [PMID: 34014468 DOI: 10.1007/s11033-021-06405-x] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2020] [Accepted: 05/08/2021] [Indexed: 02/08/2023]
Abstract
The zinc finger and BTB (broad-complex, tramtrack and bric a brac) domain containing protein 7A (ZBTB7A) is a pleiotropic transcription factor that plays an important role in various stages of cell proliferation, differentiation, and other developmental processes. ZBTB7A is a member of the POK family that directly and specifically binds to short DNA recognition sites located near their target genes thereby acting as transcriptional activator or repressor. ZBTB7A overexpression has been associated with tumorigenesis and metastasis in various human cancer types, including breast, prostate, lung, ovarian, and colon cancer. However in some instances downregulation of ZBTB7A results in tumor progression, suggesting its role as a tumor suppressor. ZBTB7A is involved with complicated regulatory networks which include protein-protein and protein-nucleic acid interactions. ZBTB7A involvement in cancer progression and metastasis is perhaps enabled through the regulation of various signaling pathways depending on the type and genetic context of cancer. The association of ZBTB7A with other proteins affects cancer aggressiveness, therapeutic resistance and clinical outcome. This review focuses on the involvement of ZBTB7A in various signaling pathways and its role in cancer progression. We will also review the literature on ZBTB7A and cancer which could be potentially explored for its therapeutic implications.
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Affiliation(s)
- Atul Kumar Singh
- Molecular Signaling and Drug Discovery Laboratory, Department of Biochemistry, School of Basic and Applied Sciences, Central University of Punjab, Bathinda, 151401, India
| | - Shiv Verma
- Department of Urology, Case Western Reserve University, 10900 Euclid Avenue, Cleveland, OH, 44106, USA.,Department of Urology, The Urology Institute, University Hospitals Cleveland Medical Center, Cleveland, OH, 44106, USA
| | - Prem Prakash Kushwaha
- Molecular Signaling and Drug Discovery Laboratory, Department of Biochemistry, School of Basic and Applied Sciences, Central University of Punjab, Bathinda, 151401, India
| | - Kumari Sunita Prajapati
- Molecular Signaling and Drug Discovery Laboratory, Department of Biochemistry, School of Basic and Applied Sciences, Central University of Punjab, Bathinda, 151401, India
| | - Mohd Shuaib
- Molecular Signaling and Drug Discovery Laboratory, Department of Biochemistry, School of Basic and Applied Sciences, Central University of Punjab, Bathinda, 151401, India
| | - Shashank Kumar
- Molecular Signaling and Drug Discovery Laboratory, Department of Biochemistry, School of Basic and Applied Sciences, Central University of Punjab, Bathinda, 151401, India.
| | - Sanjay Gupta
- Department of Urology, Case Western Reserve University, 10900 Euclid Avenue, Cleveland, OH, 44106, USA. .,Department of Urology, The Urology Institute, University Hospitals Cleveland Medical Center, Cleveland, OH, 44106, USA. .,Department of Nutrition, Case Western Reserve University, Cleveland, OH, 44106, USA. .,Divison of General Medical Sciences, Case Comprehensive Cancer Center, Cleveland, OH, 44106, USA. .,Department of Urology, Louis Stokes Cleveland Veterans Affairs Medical Center, Cleveland, OH, 44106, USA.
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39
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Genomic heterogeneity in core-binding factor acute myeloid leukemia and its clinical implication. Blood Adv 2021; 4:6342-6352. [PMID: 33351131 DOI: 10.1182/bloodadvances.2020002673] [Citation(s) in RCA: 41] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2020] [Accepted: 11/16/2020] [Indexed: 12/19/2022] Open
Abstract
Core-binding factor (CBF) acute myeloid leukemia (AML) encompasses AML with inv(16)(p13.1q22) and AML with t(8;21)(q22;q22.1). Despite sharing a common pathogenic mechanism involving rearrangements of the CBF transcriptional complex, there is growing evidence for considerable genotypic heterogeneity. We comprehensively characterized the mutational landscape of 350 adult CBF-AML [inv(16): n = 160, t(8;21): n = 190] performing targeted sequencing of 230 myeloid cancer-associated genes. Apart from common mutations in signaling genes, mainly NRAS, KIT, and FLT3, both CBF-AML entities demonstrated a remarkably diverse pattern with respect to the underlying cooperating molecular events, in particular in genes encoding for epigenetic modifiers and the cohesin complex. In addition, recurrent mutations in novel collaborating candidate genes such as SRCAP (5% overall) and DNM2 (6% of t(8;21) AML) were identified. Moreover, aberrations altering transcription and differentiation occurred at earlier leukemic stages and preceded mutations impairing proliferation. Lasso-penalized models revealed an inferior prognosis for t(8;21) AML, trisomy 8, as well as FLT3 and KIT exon 17 mutations, whereas NRAS and WT1 mutations conferred superior prognosis. Interestingly, clonal heterogeneity was associated with a favorable prognosis. When entering mutations by functional groups in the model, mutations in genes of the methylation group (ie, DNMT3A, TET2) had a strong negative prognostic impact.
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40
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Abstract
The core binding factor composed of CBFβ and RUNX subunits plays a critical role in most hematopoietic lineages and is deregulated in acute myeloid leukemia (AML). The fusion oncogene CBFβ-SMMHC expressed in AML with the chromosome inversion inv(16)(p13q22) acts as a driver oncogene in hematopoietic stem cells and induces AML. This review focuses on novel insights regarding the molecular mechanisms involved in CBFβ-SMMHC-driven leukemogenesis and recent advances in therapeutic approaches to target CBFβ-SMMHC in inv(16) AML.
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Gonzales F, Barthélémy A, Peyrouze P, Fenwarth L, Preudhomme C, Duployez N, Cheok MH. Targeting RUNX1 in acute myeloid leukemia: preclinical innovations and therapeutic implications. Expert Opin Ther Targets 2021; 25:299-309. [PMID: 33906574 DOI: 10.1080/14728222.2021.1915991] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
Introduction: RUNX1 is an essential transcription factor for normal and malignant hematopoiesis. RUNX1 forms a heterodimeric complex with CBFB. Germline mutations and somatic alterations (i.e. translocations, mutations and abnormal expression) are frequently associated with acute myeloid leukemia (AML) with RUNX1 mutations conferring unfavorable prognosis. Therefore, RUNX1 constitutes a potential innovative and interesting therapeutic target. In this review, we discuss recent therapeutic advances of RUNX1 targeting in AML.Areas covered: Firstly, we cover the clinical basis for RUNX1 targeting. We have subdivided recent therapeutic approaches either by common biochemical pathways or by similar pharmacological targets. Genome editing of RUNX1 induces anti-leukemic effects; however, off-target events prohibit clinical use. Several molecules inhibit the interaction between RUNX1/CBFB and control AML development and progression. BET protein antagonists target RUNX1 (i.e. specific BET inhibitors, BRD4 shRNRA, proteolysis targeting chimeras (PROTAC) or expression-mimickers). All these molecules improve survival in mutant RUNX1 AML preclinical models.Expert opinion: Some of these novel molecules have shown encouraging anti-leukemic potency at the preclinical stage. A better understanding of RUNX1 function in AML development and progression and its key downstream pathways, may result in more precise and more efficient RUNX1 targeting therapies.
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Affiliation(s)
- Fanny Gonzales
- Factors of Leukemic cell Persistence, Univ. Lille, CNRS, Inserm, CHU Lille, IRCL, Canther, Lille, France.,Pediatric Hematology Department, University Hospital of Lille, Lille, France
| | - Adeline Barthélémy
- Factors of Leukemic cell Persistence, Univ. Lille, CNRS, Inserm, CHU Lille, IRCL, Canther, Lille, France
| | - Pauline Peyrouze
- Factors of Leukemic cell Persistence, Univ. Lille, CNRS, Inserm, CHU Lille, IRCL, Canther, Lille, France
| | - Laurène Fenwarth
- Factors of Leukemic cell Persistence, Univ. Lille, CNRS, Inserm, CHU Lille, IRCL, Canther, Lille, France.,Laboratory of Hematology, CHU Lille, Lille, France
| | - Claude Preudhomme
- Factors of Leukemic cell Persistence, Univ. Lille, CNRS, Inserm, CHU Lille, IRCL, Canther, Lille, France.,Laboratory of Hematology, CHU Lille, Lille, France
| | - Nicolas Duployez
- Factors of Leukemic cell Persistence, Univ. Lille, CNRS, Inserm, CHU Lille, IRCL, Canther, Lille, France.,Laboratory of Hematology, CHU Lille, Lille, France
| | - Meyling H Cheok
- Factors of Leukemic cell Persistence, Univ. Lille, CNRS, Inserm, CHU Lille, IRCL, Canther, Lille, France
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42
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Han C, Gao X, Li Y, Zhang J, Yang E, Zhang L, Yu L. Characteristics of Cohesin Mutation in Acute Myeloid Leukemia and Its Clinical Significance. Front Oncol 2021; 11:579881. [PMID: 33928020 PMCID: PMC8076553 DOI: 10.3389/fonc.2021.579881] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2020] [Accepted: 03/18/2021] [Indexed: 12/18/2022] Open
Abstract
The occurrence of gene mutation is a major contributor to the initiation and propagation of acute myeloid leukemia (AML). Accumulating evidence suggests that genes encoding cohesin subunits have a high prevalence of mutations in AML, especially in the t(8;21) subtype. Therefore, it is important to understand how cohesin mutations contribute to leukemogenesis. However, the fundamental understanding of cohesin mutation in clonal expansion and myeloid transformation in hematopoietic cells remains ambiguous. Previous studies briefly introduced the cohesin mutation in AML; however, an in-depth summary of mutations in AML was not provided, and the correlation between cohesin and AML1-ETO in t (8;21) AML was also not analyzed. By summarizing the major findings regarding the cohesin mutation in AML, this review aims to define the characteristics of the cohesin complex mutation, identify its relationships with co-occurring gene mutations, assess its roles in clonal evolution, and discuss its potential for the prognosis of AML. In particular, we focus on the function of cohesin mutations in RUNX1-RUNX1T1 fusion.
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Affiliation(s)
- Caixia Han
- Department of Hematology and Oncology, International Cancer Center, Shenzhen Key Laboratory of Precision Medicine for Hematological Malignancies, Shenzhen University General Hospital, Shenzhen University Clinical Medical Academy, Shenzhen University Health Science Center, Shenzhen, China
| | - Xuefeng Gao
- Department of Hematology and Oncology, International Cancer Center, Shenzhen Key Laboratory of Precision Medicine for Hematological Malignancies, Shenzhen University General Hospital, Shenzhen University Clinical Medical Academy, Shenzhen University Health Science Center, Shenzhen, China
| | - Yonghui Li
- Department of Hematology and Oncology, International Cancer Center, Shenzhen Key Laboratory of Precision Medicine for Hematological Malignancies, Shenzhen University General Hospital, Shenzhen University Clinical Medical Academy, Shenzhen University Health Science Center, Shenzhen, China
| | - Juan Zhang
- Department of Hematology and Oncology, International Cancer Center, Shenzhen Key Laboratory of Precision Medicine for Hematological Malignancies, Shenzhen University General Hospital, Shenzhen University Clinical Medical Academy, Shenzhen University Health Science Center, Shenzhen, China
| | - Erna Yang
- Department of Hematology and Oncology, International Cancer Center, Shenzhen Key Laboratory of Precision Medicine for Hematological Malignancies, Shenzhen University General Hospital, Shenzhen University Clinical Medical Academy, Shenzhen University Health Science Center, Shenzhen, China
| | - Li Zhang
- Department of Hematology and Oncology, International Cancer Center, Shenzhen Key Laboratory of Precision Medicine for Hematological Malignancies, Shenzhen University General Hospital, Shenzhen University Clinical Medical Academy, Shenzhen University Health Science Center, Shenzhen, China
| | - Li Yu
- Department of Hematology and Oncology, International Cancer Center, Shenzhen Key Laboratory of Precision Medicine for Hematological Malignancies, Shenzhen University General Hospital, Shenzhen University Clinical Medical Academy, Shenzhen University Health Science Center, Shenzhen, China
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43
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Dillon R, Potter N, Freeman S, Russell N. How we use molecular minimal residual disease (MRD) testing in acute myeloid leukaemia (AML). Br J Haematol 2021; 193:231-244. [PMID: 33058194 DOI: 10.1111/bjh.17185] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
In recent years there have been major advances in the use of molecular diagnostic and monitoring techniques for patients with acute myeloid leukaemia (AML). Coupled with the simultaneous explosion of new therapeutic agents, this has sown the seeds for significant improvements to treatment algorithms. Here we show, using a selection of real-life examples, how molecular monitoring can be used to refine clinical decision-making and to personalise treatment in patients with AML with nucleophosmin (NPM1) mutations, core binding factor translocations and other fusion genes. For each case we review the established evidence base and provide practical recommendations where evidence is lacking or conflicting. Finally, we review important technical considerations that clinicians should be aware of in order to safely exploit these technologies as they undergo widespread implementation.
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Affiliation(s)
- Richard Dillon
- Cancer Genetics Laboratory, Department of Medical and Molecular Genetics, King's College, London, UK
- Department of Haematology, Guy's and St Thomas' Hospitals NHS Trust, London, UK
| | - Nicola Potter
- Cancer Genetics Laboratory, Department of Medical and Molecular Genetics, King's College, London, UK
| | - Sylvie Freeman
- Institute of Immunology and Immunotherapy, University of Birmingham, Birmingham, UK
| | - Nigel Russell
- Department of Haematology, Guy's and St Thomas' Hospitals NHS Trust, London, UK
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44
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Qin YZ, Jiang Q, Wang Y, Jiang H, Xu LP, Zhao XS, Zhang XH, Liu KY, Huang XJ. The impact of the combination of KIT mutation and minimal residual disease on outcome in t(8;21) acute myeloid leukemia. Blood Cancer J 2021; 11:67. [PMID: 33795645 PMCID: PMC8016839 DOI: 10.1038/s41408-021-00461-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2020] [Revised: 02/27/2021] [Accepted: 03/15/2021] [Indexed: 02/07/2023] Open
Affiliation(s)
- Ya-Zhen Qin
- Peking University People's Hospital, Peking University Institute of Hematology, National Clinical Research Center for Hematologic Disease, Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Beijing, China
| | - Qian Jiang
- Peking University People's Hospital, Peking University Institute of Hematology, National Clinical Research Center for Hematologic Disease, Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Beijing, China
| | - Yu Wang
- Peking University People's Hospital, Peking University Institute of Hematology, National Clinical Research Center for Hematologic Disease, Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Beijing, China
| | - Hao Jiang
- Peking University People's Hospital, Peking University Institute of Hematology, National Clinical Research Center for Hematologic Disease, Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Beijing, China
| | - Lan-Ping Xu
- Peking University People's Hospital, Peking University Institute of Hematology, National Clinical Research Center for Hematologic Disease, Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Beijing, China
| | - Xiao-Su Zhao
- Peking University People's Hospital, Peking University Institute of Hematology, National Clinical Research Center for Hematologic Disease, Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Beijing, China
| | - Xiao-Hui Zhang
- Peking University People's Hospital, Peking University Institute of Hematology, National Clinical Research Center for Hematologic Disease, Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Beijing, China
| | - Kai-Yan Liu
- Peking University People's Hospital, Peking University Institute of Hematology, National Clinical Research Center for Hematologic Disease, Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Beijing, China
| | - Xiao-Jun Huang
- Peking University People's Hospital, Peking University Institute of Hematology, National Clinical Research Center for Hematologic Disease, Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Beijing, China.
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Ibrahim A, Noun P, Khalil C, Taher A. Changing Management of Hematological Malignancies With COVID-19: Statement and Recommendations of the Lebanese Society of Hematology and Blood Transfusion. Front Oncol 2021; 11:564383. [PMID: 33791197 PMCID: PMC8006377 DOI: 10.3389/fonc.2021.564383] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2020] [Accepted: 02/09/2021] [Indexed: 12/05/2022] Open
Abstract
COVID-19 caused by SARS-Cov-2 is a devastating infection in patients with hematological malignancies. In 2018, the Lebanese Society of Hematology and Blood Transfusion (LSHBT) updated the guidelines for the management of hematological malignancies in Lebanon. In 2019, it was followed by a second update. Given the rapidly changing evidence and general situation for COVID-19, the LSHBT established some recommendations and suggestions for the management of the patients with hematological malignancies taking into account the Lebanese condition, economic situation, and the facts that SARS-Cov-2 infection has apparently been devastating. In this article we present recommendations and proposals to reduce or to manage SARS-Cov-2 infection in the patients with myeloid and lymphoid hematological malignancies.
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Affiliation(s)
- Ahmad Ibrahim
- Division of Hematology-Oncology, Department of Medicine, Lebanese and Arab Universities, Beirut, Lebanon
- Cancer Center and Bone Marrow Transplantation (BMT) Program at Middle East Institute of Health, Bsalim, Lebanon
- Bone Marrow Transplantation (BMT) Program at Makassed University Hospital, Beirut, Lebanon
- Lebanese Society of Hematology and Blood Transfusion, Beirut, Lebanon
| | - Peter Noun
- Division of Pediatrics, Balamand University, Beirut, Lebanon
- Division of Pediatric Hematology-Oncology, Saint Georges University Medical Center, Beirut, Lebanon
| | - Charbel Khalil
- Bone Marrow Transplantation (BMT) Program at Middle East Institute of Health University Hospital, Beirut, Lebanon
- Faculty of Pharmacy, Saint Joseph University, Beirut, Lebanon
| | - Ali Taher
- Lebanese Society of Hematology and Blood Transfusion, Beirut, Lebanon
- Division of Hematology-Oncology, Department of Medicine, American University of Beirut, Beirut, Lebanon
- Cancer Center of the American University of Beirut, Beirut, Lebanon
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[The prognostic value of cloned genetic mutations in patients with CBFβ-MYH11 fusion-positive acute myeloid leukemia receiving intensive consolidation therapy]. ZHONGHUA XUE YE XUE ZA ZHI = ZHONGHUA XUEYEXUE ZAZHI 2021; 41:853-857. [PMID: 33190444 PMCID: PMC7656080 DOI: 10.3760/cma.j.issn.0253-2727.2020.10.011] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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Ali MS, Panuzzo C, Calabrese C, Maglione A, Piazza R, Cilloni D, Saglio G, Pergolizzi B, Bracco E. The Giant HECT E3 Ubiquitin Ligase HERC1 Is Aberrantly Expressed in Myeloid Related Disorders and It Is a Novel BCR-ABL1 Binding Partner. Cancers (Basel) 2021; 13:cancers13020341. [PMID: 33477751 PMCID: PMC7832311 DOI: 10.3390/cancers13020341] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2020] [Revised: 01/13/2021] [Accepted: 01/14/2021] [Indexed: 12/13/2022] Open
Abstract
Simple Summary The pathological role/s of the HERC family members has recently been initiated to be explored in few solid tumors and the assessment of their transcript amount reveals that they might act as effective prognostic factors. However, evidence concerning the non-solid tumors, and especially myeloid related neoplasms, is currently lacking. In the present article for the first time we provide original data for a clear and well-defined association between the gene expression level of a giant HERC E3 ubiquitin ligase family member, HERC1, and some myeloid related disorders, namely Acute Myeloid Leukemia, Myeloproliferative neoplasms and Chronic Myeloid Leukemia. Furthermore, our findings unveil that the HERC1 protein physically interacts, likely forming a very large supramolecular complex, and it is a putative BCR-ABL1 tyrosine kinase substrate. We hope that this work will contribute to the advance of our understanding of the roles played by the giant HERCs in myeloid related neoplasms. Abstract HERC E3 subfamily members are parts of the E3 ubiquitin ligases and key players for a wide range of cellular functions. Though the involvement of the Ubiquitin Proteasome System in blood disorders has been broadly studied, so far the role of large HERCs in this context remains unexplored. In the present study we examined the expression of the large HECT E3 Ubiquitin Ligase, HERC1, in blood disorders. Our findings revealed that HERC1 gene expression was severely downregulated both in acute and in chronic myelogenous leukemia at diagnosis, while it is restored after complete remission achievement. Instead, in Philadelphia the negative myeloproliferative neoplasm HERC1 level was peculiarly controlled, being very low in Primary Myelofibrosis and significantly upregulated in those Essential Thrombocytemia specimens harboring the mutation in the calreticulin gene. Remarkably, in CML cells HERC1 mRNA level was associated with the BCR-ABL1 kinase activity and the HERC1 protein physically interacted with BCR-ABL1. Furthermore, we found that HERC1 was directly tyrosine phosphorylated by the ABL kinase. Overall and for the first time, we provide original evidence on the potential tumor-suppressing or -promoting properties, depending on the context, of HERC1 in myeloid related blood disorders.
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Affiliation(s)
- Muhammad Shahzad Ali
- Department of Clinical and Biological Science, Medical School, University of Torino, 10043 Orbassano, Italy; (M.S.A.); (C.P.); (C.C.); (A.M.); (D.C.); (G.S.)
| | - Cristina Panuzzo
- Department of Clinical and Biological Science, Medical School, University of Torino, 10043 Orbassano, Italy; (M.S.A.); (C.P.); (C.C.); (A.M.); (D.C.); (G.S.)
| | - Chiara Calabrese
- Department of Clinical and Biological Science, Medical School, University of Torino, 10043 Orbassano, Italy; (M.S.A.); (C.P.); (C.C.); (A.M.); (D.C.); (G.S.)
| | - Alessandro Maglione
- Department of Clinical and Biological Science, Medical School, University of Torino, 10043 Orbassano, Italy; (M.S.A.); (C.P.); (C.C.); (A.M.); (D.C.); (G.S.)
| | - Rocco Piazza
- Department of Health Sciences, University of Milano-Bicocca, 20900 Monza, Italy;
| | - Daniela Cilloni
- Department of Clinical and Biological Science, Medical School, University of Torino, 10043 Orbassano, Italy; (M.S.A.); (C.P.); (C.C.); (A.M.); (D.C.); (G.S.)
| | - Giuseppe Saglio
- Department of Clinical and Biological Science, Medical School, University of Torino, 10043 Orbassano, Italy; (M.S.A.); (C.P.); (C.C.); (A.M.); (D.C.); (G.S.)
| | - Barbara Pergolizzi
- Department of Clinical and Biological Science, Medical School, University of Torino, 10043 Orbassano, Italy; (M.S.A.); (C.P.); (C.C.); (A.M.); (D.C.); (G.S.)
- Correspondence: (B.P.); (E.B.)
| | - Enrico Bracco
- Department of Oncology, Medical School, University of Torino, 10043 Orbassano, Italy
- Correspondence: (B.P.); (E.B.)
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Cho BS, Min GJ, Park SS, Park S, Jeon YW, Shin SH, Yahng SA, Yoon JH, Lee SE, Eom KS, Kim YJ, Lee S, Min CK, Cho SG, Kim DW, Wook-Lee J, Kim MS, Kim YG, Kim HJ. Prognostic Impacts of D816V KIT Mutation and Peri-Transplant RUNX1-RUNX1T1 MRD Monitoring on Acute Myeloid Leukemia with RUNX1-RUNX1T1. Cancers (Basel) 2021; 13:cancers13020336. [PMID: 33477584 PMCID: PMC7831332 DOI: 10.3390/cancers13020336] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2020] [Revised: 12/15/2020] [Accepted: 01/14/2021] [Indexed: 12/14/2022] Open
Abstract
Simple Summary Acute myeloid leukemia (AML) with RUNX1-RUNX1T1 is a heterogeneous disease entailing different prognoses. Patients with high-risk features can benefit from allogeneic hematopoietic stem cell transplantation (HSCT) or autologous HSCT. However, insufficient data about major risk factors, such as KIT mutations and measurable residual disease (MRD) status for relapse, make it difficult to clarify the benefit of each transplant strategy. Moreover, limited data are available to elucidate the exact prognostic impacts of different types of KIT mutations and optimal thresholds or time points for RUNX1–RUNX1T1 MRD assessment, particularly in the setting of HSCT. Given the lack of prospective study, the current retrospective study, including a large cohort of high-risk AML patients with RUNX1–RUNX1T1, firstly demonstrated the differentiated prognostic impact of D816V KIT mutation among various KIT mutations and clarified optimal time points and thresholds for RUNX1–RUNX1T1 MRD monitoring in the setting of HSCT. Abstract The prognostic significance of KIT mutations and optimal thresholds and time points of measurable residual disease (MRD) monitoring for acute myeloid leukemia (AML) with RUNX1-RUNX1T1 remain controversial in the setting of hematopoietic stem cell transplantation (HSCT). We retrospectively evaluated 166 high-risk patients who underwent allogeneic (Allo-HSCT, n = 112) or autologous HSCT (Auto-HSCT, n = 54). D816V KIT mutation, a subtype of exon 17 mutations, was significantly associated with post-transplant relapse and poor survival, while other types of mutations in exons 17 and 8 were not associated with post-transplant relapse. Pre- and post-transplant RUNX1–RUNX1T1 MRD assessments were useful for predicting post-transplant relapse and poor survival with a higher sensitivity at later time points. Survival analysis for each stratified group by D816V KIT mutation and pre-transplant RUNX1–RUNX1T1 MRD status demonstrated that Auto-HSCT was superior to Allo-HSCT in MRD-negative patients without D816V KIT mutation, while Allo-HSCT was superior to Auto-HSCT in MRD-negative patients with D816V KIT mutation. Very poor outcomes of pre-transplant MRD-positive patients with D816V KIT mutation suggested that this group should be treated in clinical trials. Risk stratification by both D816V KIT mutation and RUNX1–RUNX1T1 MRD status will provide a platform for decision-making or risk-adapted therapeutic approaches.
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Affiliation(s)
- Byung-Sik Cho
- Department of Hematology, Catholic Hematology Hospital, Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul 06591, Korea; (B.-S.C.); (G.-J.M.); (S.-S.P.); (S.P.); (J.-H.Y.); (S.-E.L.); (K.-S.E.); (Y.-J.K.); (S.L.); (C.-K.M.); (S.-G.C.); (D.-W.K.); (J.-W.L.)
- Leukemia Research Institute, College of Medicine, The Catholic University of Korea, Seoul 06591, Korea
| | - Gi-June Min
- Department of Hematology, Catholic Hematology Hospital, Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul 06591, Korea; (B.-S.C.); (G.-J.M.); (S.-S.P.); (S.P.); (J.-H.Y.); (S.-E.L.); (K.-S.E.); (Y.-J.K.); (S.L.); (C.-K.M.); (S.-G.C.); (D.-W.K.); (J.-W.L.)
- Leukemia Research Institute, College of Medicine, The Catholic University of Korea, Seoul 06591, Korea
| | - Sung-Soo Park
- Department of Hematology, Catholic Hematology Hospital, Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul 06591, Korea; (B.-S.C.); (G.-J.M.); (S.-S.P.); (S.P.); (J.-H.Y.); (S.-E.L.); (K.-S.E.); (Y.-J.K.); (S.L.); (C.-K.M.); (S.-G.C.); (D.-W.K.); (J.-W.L.)
- Leukemia Research Institute, College of Medicine, The Catholic University of Korea, Seoul 06591, Korea
| | - Silvia Park
- Department of Hematology, Catholic Hematology Hospital, Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul 06591, Korea; (B.-S.C.); (G.-J.M.); (S.-S.P.); (S.P.); (J.-H.Y.); (S.-E.L.); (K.-S.E.); (Y.-J.K.); (S.L.); (C.-K.M.); (S.-G.C.); (D.-W.K.); (J.-W.L.)
- Leukemia Research Institute, College of Medicine, The Catholic University of Korea, Seoul 06591, Korea
| | - Young-Woo Jeon
- Department of Hematology, Yeouido St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul 06591, Korea;
| | - Seung-Hwan Shin
- Department of Hematology, Eunpyeong St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul 06591, Korea;
| | - Seung-Ah Yahng
- Department of Hematology, Incheon St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul 06591, Korea;
| | - Jae-Ho Yoon
- Department of Hematology, Catholic Hematology Hospital, Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul 06591, Korea; (B.-S.C.); (G.-J.M.); (S.-S.P.); (S.P.); (J.-H.Y.); (S.-E.L.); (K.-S.E.); (Y.-J.K.); (S.L.); (C.-K.M.); (S.-G.C.); (D.-W.K.); (J.-W.L.)
- Leukemia Research Institute, College of Medicine, The Catholic University of Korea, Seoul 06591, Korea
| | - Sung-Eun Lee
- Department of Hematology, Catholic Hematology Hospital, Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul 06591, Korea; (B.-S.C.); (G.-J.M.); (S.-S.P.); (S.P.); (J.-H.Y.); (S.-E.L.); (K.-S.E.); (Y.-J.K.); (S.L.); (C.-K.M.); (S.-G.C.); (D.-W.K.); (J.-W.L.)
- Leukemia Research Institute, College of Medicine, The Catholic University of Korea, Seoul 06591, Korea
| | - Ki-Seong Eom
- Department of Hematology, Catholic Hematology Hospital, Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul 06591, Korea; (B.-S.C.); (G.-J.M.); (S.-S.P.); (S.P.); (J.-H.Y.); (S.-E.L.); (K.-S.E.); (Y.-J.K.); (S.L.); (C.-K.M.); (S.-G.C.); (D.-W.K.); (J.-W.L.)
- Leukemia Research Institute, College of Medicine, The Catholic University of Korea, Seoul 06591, Korea
| | - Yoo-Jin Kim
- Department of Hematology, Catholic Hematology Hospital, Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul 06591, Korea; (B.-S.C.); (G.-J.M.); (S.-S.P.); (S.P.); (J.-H.Y.); (S.-E.L.); (K.-S.E.); (Y.-J.K.); (S.L.); (C.-K.M.); (S.-G.C.); (D.-W.K.); (J.-W.L.)
- Leukemia Research Institute, College of Medicine, The Catholic University of Korea, Seoul 06591, Korea
| | - Seok Lee
- Department of Hematology, Catholic Hematology Hospital, Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul 06591, Korea; (B.-S.C.); (G.-J.M.); (S.-S.P.); (S.P.); (J.-H.Y.); (S.-E.L.); (K.-S.E.); (Y.-J.K.); (S.L.); (C.-K.M.); (S.-G.C.); (D.-W.K.); (J.-W.L.)
- Leukemia Research Institute, College of Medicine, The Catholic University of Korea, Seoul 06591, Korea
| | - Chang-Ki Min
- Department of Hematology, Catholic Hematology Hospital, Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul 06591, Korea; (B.-S.C.); (G.-J.M.); (S.-S.P.); (S.P.); (J.-H.Y.); (S.-E.L.); (K.-S.E.); (Y.-J.K.); (S.L.); (C.-K.M.); (S.-G.C.); (D.-W.K.); (J.-W.L.)
- Leukemia Research Institute, College of Medicine, The Catholic University of Korea, Seoul 06591, Korea
| | - Seok-Goo Cho
- Department of Hematology, Catholic Hematology Hospital, Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul 06591, Korea; (B.-S.C.); (G.-J.M.); (S.-S.P.); (S.P.); (J.-H.Y.); (S.-E.L.); (K.-S.E.); (Y.-J.K.); (S.L.); (C.-K.M.); (S.-G.C.); (D.-W.K.); (J.-W.L.)
| | - Dong-Wook Kim
- Department of Hematology, Catholic Hematology Hospital, Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul 06591, Korea; (B.-S.C.); (G.-J.M.); (S.-S.P.); (S.P.); (J.-H.Y.); (S.-E.L.); (K.-S.E.); (Y.-J.K.); (S.L.); (C.-K.M.); (S.-G.C.); (D.-W.K.); (J.-W.L.)
- Leukemia Research Institute, College of Medicine, The Catholic University of Korea, Seoul 06591, Korea
| | - Jong Wook-Lee
- Department of Hematology, Catholic Hematology Hospital, Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul 06591, Korea; (B.-S.C.); (G.-J.M.); (S.-S.P.); (S.P.); (J.-H.Y.); (S.-E.L.); (K.-S.E.); (Y.-J.K.); (S.L.); (C.-K.M.); (S.-G.C.); (D.-W.K.); (J.-W.L.)
| | - Myung-Shin Kim
- Department of Laboratory Medicine, Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul 06591, Korea; (M.-S.K.); (Y.-G.K.)
| | - Yong-Goo Kim
- Department of Laboratory Medicine, Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul 06591, Korea; (M.-S.K.); (Y.-G.K.)
| | - Hee-Je Kim
- Department of Hematology, Catholic Hematology Hospital, Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul 06591, Korea; (B.-S.C.); (G.-J.M.); (S.-S.P.); (S.P.); (J.-H.Y.); (S.-E.L.); (K.-S.E.); (Y.-J.K.); (S.L.); (C.-K.M.); (S.-G.C.); (D.-W.K.); (J.-W.L.)
- Leukemia Research Institute, College of Medicine, The Catholic University of Korea, Seoul 06591, Korea
- Correspondence: ; Tel.: +82-2-2258-6054; Fax: +82-2-599-3589
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Zhang R, Dong L, Yu J. Concomitant Pathogenic Mutations and Fusions of Driver Oncogenes in Tumors. Front Oncol 2021; 10:544579. [PMID: 33520689 PMCID: PMC7844084 DOI: 10.3389/fonc.2020.544579] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2020] [Accepted: 11/27/2020] [Indexed: 01/01/2023] Open
Abstract
Driver oncogene alterations have always been one of leading causes in the process of occurrence and development of tumors. And the effects of driver oncogene alterations on tumorigenesis and progression in different kinds of tumors have been studied heatedly. And the roles that the driver oncogenes alterations play have been elucidated clearly in previous studies. The phenomenon of concomitant driver oncogenes mutations and driver genes fusions has gained much concentration in the past two decades. And a growing number of studies reported this phenomenon, either coexistence or mutually exclusivity. Here we reviewed on the phenomenon of concomitant mutations in three common types of carcinomas—lung cancer, thyroid cancer, and leukemia, which have been studied relatively more detailed and more general compared with others.
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Affiliation(s)
- Runjiao Zhang
- Cancer Molecular Diagnostics Core, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center of Caner, Key Laboratory of Cancer Prevention and Therapy, Key Laboratory of Cancer Immunology and Biotherapy, Tianjin, China.,Tianjin's Clinical Research Center for Cancer, Tianjin, China
| | - Li Dong
- Cancer Molecular Diagnostics Core, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center of Caner, Key Laboratory of Cancer Prevention and Therapy, Key Laboratory of Cancer Immunology and Biotherapy, Tianjin, China
| | - Jinpu Yu
- Cancer Molecular Diagnostics Core, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center of Caner, Key Laboratory of Cancer Prevention and Therapy, Key Laboratory of Cancer Immunology and Biotherapy, Tianjin, China.,Tianjin's Clinical Research Center for Cancer, Tianjin, China
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Damnernsawad A, Bottomly D, Kurtz SE, Eide CA, McWeeney SK, Tyner JW, Nechiporuk T. Genome-wide CRISPR screen identifies regulators of MAPK and MTOR pathways mediating sorafenib resistance in acute myeloid leukemia. Haematologica 2020; 107:77-85. [PMID: 33375770 PMCID: PMC8719098 DOI: 10.3324/haematol.2020.257964] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2020] [Indexed: 11/11/2022] Open
Abstract
Drug resistance impedes the long-term effect of targeted therapies in acute myeloid leukemia (AML), necessitating the identification of mechanisms underlying resistance. Approximately 25% of AML patients carry FLT3 mutations and develop post-treatment insensitivity to FLT3 inhibitors, including sorafenib. Using a genomewide CRISPR screen, we identified LZTR1, NF1, TSC1 and TSC2, negative regulators of the MAPK and MTOR pathways, as mediators of resistance to sorafenib. Analyses of ex vivo drug sensitivity assays in samples from patients with FLT3-ITD AML revealed that lower expression of LZTR1, NF1, and TSC2 correlated with sensitivity to sorafenib. Importantly, MAPK and/or MTOR complex 1 (MTORC1) activity was upregulated in AML cells made resistant to several FLT3 inhibitors, including crenolanib, quizartinib, and sorafenib. These cells were sensitive to MEK inhibitors, and the combination of FLT3 and MEK inhibitors showed enhanced efficacy, suggesting the effectiveness of such treatment in AML patients with FLT3 mutations and those with resistance to FLT3 inhibitors.
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Affiliation(s)
- Alisa Damnernsawad
- Department of Cell, Developmental and Cancer Biology, Knight Cancer Institute, Oregon Health and Science University, Portland, OR, USA; Department of Biology, Faculty of Science, Mahidol University, Bangkok
| | - Daniel Bottomly
- Division of Bioinformatics and Computational Biology, Knight Cancer Institute, Oregon Health and Science University, Portland, OR
| | - Stephen E Kurtz
- Division of Hematology and Medical Oncology, Knight Cancer Institute, Oregon Health and Science University, Portland, OR
| | - Christopher A Eide
- Division of Hematology and Medical Oncology, Knight Cancer Institute, Oregon Health and Science University, Portland, OR
| | - Shannon K McWeeney
- Division of Bioinformatics and Computational Biology, Knight Cancer Institute, Oregon Health and Science University, Portland, OR
| | - Jeffrey W Tyner
- Department of Cell, Developmental and Cancer Biology, Knight Cancer Institute, Oregon Health and Science University, Portland, OR, USA; Division of Hematology and Medical Oncology, Knight Cancer Institute, Oregon Health and Science University, Portland, OR.
| | - Tamilla Nechiporuk
- Department of Cell, Developmental and Cancer Biology, Knight Cancer Institute, Oregon Health and Science University, Portland, OR.
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